21488733760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{166631}}^1$

素因数の和:166692

約数の個数: 112

約数和(自身を含む): 56884165632

約数和(自身を除く): 35395431872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 16120, 25792, 32240, 64480, 128960, 166631, 333262, 666524, 833155, 1333048, 1666310, 2166203, 2666096, 3332620, 4332406, 5165561, 5332192, 6665240, 8664812, 10331122, 10664384, 10831015, 13330480, 17329624, 20662244, 21662030, 25827805, 26660960, 34659248, 41324488, 43324060, 51655610, 53321920, 67152293, 69318496, 82648976, 86648120, 103311220, 134304586, 138636992, 165297952, 173296240, 206622440, 268609172, 330595904, 335761465, 346592480, 413244880, 537218344, 671522930, 693184960, 826489760, 1074436688, 1343045860, 1652979520, 2148873376, 2686091720, 4297746752, 5372183440, 10744366880, 21488733760]

約数ペア:

[(1, 21488733760), (2, 10744366880), (4, 5372183440), (5, 4297746752), (8, 2686091720), (10, 2148873376), (13, 1652979520), (16, 1343045860), (20, 1074436688), (26, 826489760), (31, 693184960), (32, 671522930), (40, 537218344), (52, 413244880), (62, 346592480), (64, 335761465), (65, 330595904), (80, 268609172), (104, 206622440), (124, 173296240), (130, 165297952), (155, 138636992), (160, 134304586), (208, 103311220), (248, 86648120), (260, 82648976), (310, 69318496), (320, 67152293), (403, 53321920), (416, 51655610), (496, 43324060), (520, 41324488), (620, 34659248), (806, 26660960), (832, 25827805), (992, 21662030), (1040, 20662244), (1240, 17329624), (1612, 13330480), (1984, 10831015), (2015, 10664384), (2080, 10331122), (2480, 8664812), (3224, 6665240), (4030, 5332192), (4160, 5165561), (4960, 4332406), (6448, 3332620), (8060, 2666096), (9920, 2166203), (12896, 1666310), (16120, 1333048), (25792, 833155), (32240, 666524), (64480, 333262), (128960, 166631)]