51481040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:924

約数の個数: 80

約数和(自身を含む): 131241600

約数和(自身を除く): 79760560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 839, 944, 1040, 1180, 1534, 1678, 2360, 3068, 3356, 3835, 4195, 4720, 6136, 6712, 7670, 8390, 10907, 12272, 13424, 15340, 16780, 21814, 30680, 33560, 43628, 49501, 54535, 61360, 67120, 87256, 99002, 109070, 174512, 198004, 218140, 247505, 396008, 436280, 495010, 643513, 792016, 872560, 990020, 1287026, 1980040, 2574052, 3217565, 3960080, 5148104, 6435130, 10296208, 12870260, 25740520, 51481040]

約数ペア:

[(1, 51481040), (2, 25740520), (4, 12870260), (5, 10296208), (8, 6435130), (10, 5148104), (13, 3960080), (16, 3217565), (20, 2574052), (26, 1980040), (40, 1287026), (52, 990020), (59, 872560), (65, 792016), (80, 643513), (104, 495010), (118, 436280), (130, 396008), (208, 247505), (236, 218140), (260, 198004), (295, 174512), (472, 109070), (520, 99002), (590, 87256), (767, 67120), (839, 61360), (944, 54535), (1040, 49501), (1180, 43628), (1534, 33560), (1678, 30680), (2360, 21814), (3068, 16780), (3356, 15340), (3835, 13424), (4195, 12272), (4720, 10907), (6136, 8390), (6712, 7670)]