156799392760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{99439}}^1$

素因数の和:100028

約数の個数: 64

約数和(自身を含む): 357984000000

約数和(自身を除く): 201184607240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 499, 632, 790, 998, 1580, 1996, 2495, 3160, 3992, 4990, 9980, 19960, 39421, 78842, 99439, 157684, 197105, 198878, 315368, 394210, 397756, 497195, 788420, 795512, 994390, 1576840, 1988780, 3977560, 7855681, 15711362, 31422724, 39278405, 49620061, 62845448, 78556810, 99240122, 157113620, 198480244, 248100305, 314227240, 396960488, 496200610, 992401220, 1984802440, 3919984819, 7839969638, 15679939276, 19599924095, 31359878552, 39199848190, 78399696380, 156799392760]

約数ペア:

[(1, 156799392760), (2, 78399696380), (4, 39199848190), (5, 31359878552), (8, 19599924095), (10, 15679939276), (20, 7839969638), (40, 3919984819), (79, 1984802440), (158, 992401220), (316, 496200610), (395, 396960488), (499, 314227240), (632, 248100305), (790, 198480244), (998, 157113620), (1580, 99240122), (1996, 78556810), (2495, 62845448), (3160, 49620061), (3992, 39278405), (4990, 31422724), (9980, 15711362), (19960, 7855681), (39421, 3977560), (78842, 1988780), (99439, 1576840), (157684, 994390), (197105, 795512), (198878, 788420), (315368, 497195), (394210, 397756)]