40888080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 120

約数和(自身を含む): 138841560

約数和(自身を除く): 97953480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 521, 545, 654, 720, 872, 981, 1042, 1090, 1308, 1563, 1635, 1744, 1962, 2084, 2180, 2605, 2616, 3126, 3270, 3924, 4168, 4360, 4689, 4905, 5210, 5232, 6252, 6540, 7815, 7848, 8336, 8720, 9378, 9810, 10420, 12504, 13080, 15630, 15696, 18756, 19620, 20840, 23445, 25008, 26160, 31260, 37512, 39240, 41680, 46890, 56789, 62520, 75024, 78480, 93780, 113578, 125040, 170367, 187560, 227156, 283945, 340734, 375120, 454312, 511101, 567890, 681468, 851835, 908624, 1022202, 1135780, 1362936, 1703670, 2044404, 2271560, 2555505, 2725872, 3407340, 4088808, 4543120, 5111010, 6814680, 8177616, 10222020, 13629360, 20444040, 40888080]

約数ペア:

[(1, 40888080), (2, 20444040), (3, 13629360), (4, 10222020), (5, 8177616), (6, 6814680), (8, 5111010), (9, 4543120), (10, 4088808), (12, 3407340), (15, 2725872), (16, 2555505), (18, 2271560), (20, 2044404), (24, 1703670), (30, 1362936), (36, 1135780), (40, 1022202), (45, 908624), (48, 851835), (60, 681468), (72, 567890), (80, 511101), (90, 454312), (109, 375120), (120, 340734), (144, 283945), (180, 227156), (218, 187560), (240, 170367), (327, 125040), (360, 113578), (436, 93780), (521, 78480), (545, 75024), (654, 62520), (720, 56789), (872, 46890), (981, 41680), (1042, 39240), (1090, 37512), (1308, 31260), (1563, 26160), (1635, 25008), (1744, 23445), (1962, 20840), (2084, 19620), (2180, 18756), (2605, 15696), (2616, 15630), (3126, 13080), (3270, 12504), (3924, 10420), (4168, 9810), (4360, 9378), (4689, 8720), (4905, 8336), (5210, 7848), (5232, 7815), (6252, 6540)]