28711160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 68234400

約数和(自身を除く): 39523240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 424, 467, 530, 580, 934, 1060, 1160, 1537, 1868, 2120, 2335, 3074, 3736, 4670, 6148, 7685, 9340, 12296, 13543, 15370, 18680, 24751, 27086, 30740, 49502, 54172, 61480, 67715, 99004, 108344, 123755, 135430, 198008, 247510, 270860, 495020, 541720, 717779, 990040, 1435558, 2871116, 3588895, 5742232, 7177790, 14355580, 28711160]

約数ペア:

[(1, 28711160), (2, 14355580), (4, 7177790), (5, 5742232), (8, 3588895), (10, 2871116), (20, 1435558), (29, 990040), (40, 717779), (53, 541720), (58, 495020), (106, 270860), (116, 247510), (145, 198008), (212, 135430), (232, 123755), (265, 108344), (290, 99004), (424, 67715), (467, 61480), (530, 54172), (580, 49502), (934, 30740), (1060, 27086), (1160, 24751), (1537, 18680), (1868, 15370), (2120, 13543), (2335, 12296), (3074, 9340), (3736, 7685), (4670, 6148)]