40591640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 95528160

約数和(自身を除く): 54936520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 467, 530, 820, 934, 1060, 1640, 1868, 2120, 2173, 2335, 3736, 4346, 4670, 8692, 9340, 10865, 17384, 18680, 19147, 21730, 24751, 38294, 43460, 49502, 76588, 86920, 95735, 99004, 123755, 153176, 191470, 198008, 247510, 382940, 495020, 765880, 990040, 1014791, 2029582, 4059164, 5073955, 8118328, 10147910, 20295820, 40591640]

約数ペア:

[(1, 40591640), (2, 20295820), (4, 10147910), (5, 8118328), (8, 5073955), (10, 4059164), (20, 2029582), (40, 1014791), (41, 990040), (53, 765880), (82, 495020), (106, 382940), (164, 247510), (205, 198008), (212, 191470), (265, 153176), (328, 123755), (410, 99004), (424, 95735), (467, 86920), (530, 76588), (820, 49502), (934, 43460), (1060, 38294), (1640, 24751), (1868, 21730), (2120, 19147), (2173, 18680), (2335, 17384), (3736, 10865), (4346, 9340), (4670, 8692)]