20162323120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{102911}}^1$

素因数の和:103034

約数の個数: 80

約数和(自身を含む): 49002577920

約数和(自身を除く): 28840254800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 9796, 12245, 19592, 24490, 39184, 48980, 97960, 102911, 195920, 205822, 411644, 514555, 823288, 1029110, 1646576, 2058220, 3190241, 4116440, 6380482, 8129969, 8232880, 12760964, 15951205, 16259938, 25521928, 31902410, 32519876, 40649845, 51043856, 63804820, 65039752, 81299690, 127609640, 130079504, 162599380, 252029039, 255219280, 325198760, 504058078, 650397520, 1008116156, 1260145195, 2016232312, 2520290390, 4032464624, 5040580780, 10081161560, 20162323120]

約数ペア:

[(1, 20162323120), (2, 10081161560), (4, 5040580780), (5, 4032464624), (8, 2520290390), (10, 2016232312), (16, 1260145195), (20, 1008116156), (31, 650397520), (40, 504058078), (62, 325198760), (79, 255219280), (80, 252029039), (124, 162599380), (155, 130079504), (158, 127609640), (248, 81299690), (310, 65039752), (316, 63804820), (395, 51043856), (496, 40649845), (620, 32519876), (632, 31902410), (790, 25521928), (1240, 16259938), (1264, 15951205), (1580, 12760964), (2449, 8232880), (2480, 8129969), (3160, 6380482), (4898, 4116440), (6320, 3190241), (9796, 2058220), (12245, 1646576), (19592, 1029110), (24490, 823288), (39184, 514555), (48980, 411644), (97960, 205822), (102911, 195920)]