852800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 84

約数和(自身を含む): 2314956

約数和(自身を除く): 1462156

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 64, 65, 80, 82, 100, 104, 130, 160, 164, 200, 205, 208, 260, 320, 325, 328, 400, 410, 416, 520, 533, 650, 656, 800, 820, 832, 1025, 1040, 1066, 1300, 1312, 1600, 1640, 2050, 2080, 2132, 2600, 2624, 2665, 3280, 4100, 4160, 4264, 5200, 5330, 6560, 8200, 8528, 10400, 10660, 13120, 13325, 16400, 17056, 20800, 21320, 26650, 32800, 34112, 42640, 53300, 65600, 85280, 106600, 170560, 213200, 426400, 852800]

約数ペア:

[(1, 852800), (2, 426400), (4, 213200), (5, 170560), (8, 106600), (10, 85280), (13, 65600), (16, 53300), (20, 42640), (25, 34112), (26, 32800), (32, 26650), (40, 21320), (41, 20800), (50, 17056), (52, 16400), (64, 13325), (65, 13120), (80, 10660), (82, 10400), (100, 8528), (104, 8200), (130, 6560), (160, 5330), (164, 5200), (200, 4264), (205, 4160), (208, 4100), (260, 3280), (320, 2665), (325, 2624), (328, 2600), (400, 2132), (410, 2080), (416, 2050), (520, 1640), (533, 1600), (650, 1312), (656, 1300), (800, 1066), (820, 1040), (832, 1025)]