20165566480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{13751}}^1$

素因数の和:14584

約数の個数: 80

約数和(自身を含む): 48988364544

約数和(自身を除く): 28822798064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 797, 920, 1594, 1840, 3188, 3985, 6376, 7970, 12752, 13751, 15940, 18331, 27502, 31880, 36662, 55004, 63760, 68755, 73324, 91655, 110008, 137510, 146648, 183310, 220016, 275020, 293296, 316273, 366620, 550040, 632546, 733240, 1100080, 1265092, 1466480, 1581365, 2530184, 3162730, 5060368, 6325460, 10959547, 12650920, 21919094, 25301840, 43838188, 54797735, 87676376, 109595470, 175352752, 219190940, 252069581, 438381880, 504139162, 876763760, 1008278324, 1260347905, 2016556648, 2520695810, 4033113296, 5041391620, 10082783240, 20165566480]

約数ペア:

[(1, 20165566480), (2, 10082783240), (4, 5041391620), (5, 4033113296), (8, 2520695810), (10, 2016556648), (16, 1260347905), (20, 1008278324), (23, 876763760), (40, 504139162), (46, 438381880), (80, 252069581), (92, 219190940), (115, 175352752), (184, 109595470), (230, 87676376), (368, 54797735), (460, 43838188), (797, 25301840), (920, 21919094), (1594, 12650920), (1840, 10959547), (3188, 6325460), (3985, 5060368), (6376, 3162730), (7970, 2530184), (12752, 1581365), (13751, 1466480), (15940, 1265092), (18331, 1100080), (27502, 733240), (31880, 632546), (36662, 550040), (55004, 366620), (63760, 316273), (68755, 293296), (73324, 275020), (91655, 220016), (110008, 183310), (137510, 146648)]