31256067440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{969481}}^1$

素因数の和:969538

約数の個数: 80

約数和(自身を含む): 80784996096

約数和(自身を除く): 49528928656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 969481, 1938962, 3877924, 4847405, 7755848, 9694810, 12603253, 15511696, 19389620, 25206506, 30053911, 38779240, 50413012, 60107822, 63016265, 77558480, 100826024, 120215644, 126032530, 150269555, 201652048, 240431288, 252065060, 300539110, 390700843, 480862576, 504130120, 601078220, 781401686, 1008260240, 1202156440, 1562803372, 1953504215, 2404312880, 3125606744, 3907008430, 6251213488, 7814016860, 15628033720, 31256067440]

約数ペア:

[(1, 31256067440), (2, 15628033720), (4, 7814016860), (5, 6251213488), (8, 3907008430), (10, 3125606744), (13, 2404312880), (16, 1953504215), (20, 1562803372), (26, 1202156440), (31, 1008260240), (40, 781401686), (52, 601078220), (62, 504130120), (65, 480862576), (80, 390700843), (104, 300539110), (124, 252065060), (130, 240431288), (155, 201652048), (208, 150269555), (248, 126032530), (260, 120215644), (310, 100826024), (403, 77558480), (496, 63016265), (520, 60107822), (620, 50413012), (806, 38779240), (1040, 30053911), (1240, 25206506), (1612, 19389620), (2015, 15511696), (2480, 12603253), (3224, 9694810), (4030, 7755848), (6448, 4847405), (8060, 3877924), (16120, 1938962), (32240, 969481)]