51280240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3067}}^1$

素因数の和:3110

約数の個数: 80

約数和(自身を含む): 136955520

約数和(自身を除く): 85675280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3067, 3344, 4180, 6134, 8360, 12268, 15335, 16720, 24536, 30670, 33737, 49072, 58273, 61340, 67474, 116546, 122680, 134948, 168685, 233092, 245360, 269896, 291365, 337370, 466184, 539792, 582730, 641003, 674740, 932368, 1165460, 1282006, 1349480, 2330920, 2564012, 2698960, 3205015, 4661840, 5128024, 6410030, 10256048, 12820060, 25640120, 51280240]

約数ペア:

[(1, 51280240), (2, 25640120), (4, 12820060), (5, 10256048), (8, 6410030), (10, 5128024), (11, 4661840), (16, 3205015), (19, 2698960), (20, 2564012), (22, 2330920), (38, 1349480), (40, 1282006), (44, 1165460), (55, 932368), (76, 674740), (80, 641003), (88, 582730), (95, 539792), (110, 466184), (152, 337370), (176, 291365), (190, 269896), (209, 245360), (220, 233092), (304, 168685), (380, 134948), (418, 122680), (440, 116546), (760, 67474), (836, 61340), (880, 58273), (1045, 49072), (1520, 33737), (1672, 30670), (2090, 24536), (3067, 16720), (3344, 15335), (4180, 12268), (6134, 8360)]