20794230160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1\times {\mathrm{8123}}^1$

素因数の和:11056

約数の個数: 80

約数和(自身を含む): 52766354880

約数和(自身を除く): 31972124720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2909, 5818, 8123, 11636, 14545, 16246, 23272, 29090, 31999, 32492, 40615, 46544, 58180, 63998, 64984, 81230, 89353, 116360, 127996, 129968, 159995, 162460, 178706, 232720, 255992, 319990, 324920, 357412, 446765, 511984, 639980, 649840, 714824, 893530, 1279960, 1429648, 1787060, 2559920, 3574120, 7148240, 23629807, 47259614, 94519228, 118149035, 189038456, 236298070, 259927877, 378076912, 472596140, 519855754, 945192280, 1039711508, 1299639385, 1890384560, 2079423016, 2599278770, 4158846032, 5198557540, 10397115080, 20794230160]

約数ペア:

[(1, 20794230160), (2, 10397115080), (4, 5198557540), (5, 4158846032), (8, 2599278770), (10, 2079423016), (11, 1890384560), (16, 1299639385), (20, 1039711508), (22, 945192280), (40, 519855754), (44, 472596140), (55, 378076912), (80, 259927877), (88, 236298070), (110, 189038456), (176, 118149035), (220, 94519228), (440, 47259614), (880, 23629807), (2909, 7148240), (5818, 3574120), (8123, 2559920), (11636, 1787060), (14545, 1429648), (16246, 1279960), (23272, 893530), (29090, 714824), (31999, 649840), (32492, 639980), (40615, 511984), (46544, 446765), (58180, 357412), (63998, 324920), (64984, 319990), (81230, 255992), (89353, 232720), (116360, 178706), (127996, 162460), (129968, 159995)]