220295920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6833}}^1$

素因数の和:6890

約数の個数: 80

約数和(自身を含む): 569463552

約数和(自身を除く): 349167632

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, 6833, 8060, 13666, 16120, 27332, 32240, 34165, 54664, 68330, 88829, 109328, 136660, 177658, 211823, 273320, 355316, 423646, 444145, 546640, 710632, 847292, 888290, 1059115, 1421264, 1694584, 1776580, 2118230, 2753699, 3389168, 3553160, 4236460, 5507398, 7106320, 8472920, 11014796, 13768495, 16945840, 22029592, 27536990, 44059184, 55073980, 110147960, 220295920]

約数ペア:

[(1, 220295920), (2, 110147960), (4, 55073980), (5, 44059184), (8, 27536990), (10, 22029592), (13, 16945840), (16, 13768495), (20, 11014796), (26, 8472920), (31, 7106320), (40, 5507398), (52, 4236460), (62, 3553160), (65, 3389168), (80, 2753699), (104, 2118230), (124, 1776580), (130, 1694584), (155, 1421264), (208, 1059115), (248, 888290), (260, 847292), (310, 710632), (403, 546640), (496, 444145), (520, 423646), (620, 355316), (806, 273320), (1040, 211823), (1240, 177658), (1612, 136660), (2015, 109328), (2480, 88829), (3224, 68330), (4030, 54664), (6448, 34165), (6833, 32240), (8060, 27332), (13666, 16120)]