40588990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 82627776

約数和(自身を除く): 42038786

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 137, 215, 265, 274, 430, 530, 559, 685, 689, 1118, 1370, 1378, 1781, 2279, 2795, 3445, 3562, 4558, 5590, 5891, 6890, 7261, 8905, 11395, 11782, 14522, 17810, 22790, 29455, 29627, 36305, 58910, 59254, 72610, 76583, 94393, 148135, 153166, 188786, 296270, 312223, 382915, 471965, 624446, 765830, 943930, 1561115, 3122230, 4058899, 8117798, 20294495, 40588990]

約数ペア:

[(1, 40588990), (2, 20294495), (5, 8117798), (10, 4058899), (13, 3122230), (26, 1561115), (43, 943930), (53, 765830), (65, 624446), (86, 471965), (106, 382915), (130, 312223), (137, 296270), (215, 188786), (265, 153166), (274, 148135), (430, 94393), (530, 76583), (559, 72610), (685, 59254), (689, 58910), (1118, 36305), (1370, 29627), (1378, 29455), (1781, 22790), (2279, 17810), (2795, 14522), (3445, 11782), (3562, 11395), (4558, 8905), (5590, 7261), (5891, 6890)]