2885439440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{3019}}^1$

素因数の和:3964

約数の個数: 80

約数和(自身を含む): 7234953600

約数和(自身を除く): 4349514160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 919, 1040, 1838, 3019, 3676, 4595, 6038, 7352, 9190, 11947, 12076, 14704, 15095, 18380, 23894, 24152, 30190, 36760, 39247, 47788, 48304, 59735, 60380, 73520, 78494, 95576, 119470, 120760, 156988, 191152, 196235, 238940, 241520, 313976, 392470, 477880, 627952, 784940, 955760, 1569880, 2774461, 3139760, 5548922, 11097844, 13872305, 22195688, 27744610, 36067993, 44391376, 55489220, 72135986, 110978440, 144271972, 180339965, 221956880, 288543944, 360679930, 577087888, 721359860, 1442719720, 2885439440]

約数ペア:

[(1, 2885439440), (2, 1442719720), (4, 721359860), (5, 577087888), (8, 360679930), (10, 288543944), (13, 221956880), (16, 180339965), (20, 144271972), (26, 110978440), (40, 72135986), (52, 55489220), (65, 44391376), (80, 36067993), (104, 27744610), (130, 22195688), (208, 13872305), (260, 11097844), (520, 5548922), (919, 3139760), (1040, 2774461), (1838, 1569880), (3019, 955760), (3676, 784940), (4595, 627952), (6038, 477880), (7352, 392470), (9190, 313976), (11947, 241520), (12076, 238940), (14704, 196235), (15095, 191152), (18380, 156988), (23894, 120760), (24152, 119470), (30190, 95576), (36760, 78494), (39247, 73520), (47788, 60380), (48304, 59735)]