811421000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{62417}}^1$

素因数の和:62451

約数の個数: 64

約数和(自身を含む): 2044813680

約数和(自身を除く): 1233392680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 62417, 124834, 249668, 312085, 499336, 624170, 811421, 1248340, 1560425, 1622842, 2496680, 3120850, 3245684, 4057105, 6241700, 6491368, 7802125, 8114210, 12483400, 15604250, 16228420, 20285525, 31208500, 32456840, 40571050, 62417000, 81142100, 101427625, 162284200, 202855250, 405710500, 811421000]

約数ペア:

[(1, 811421000), (2, 405710500), (4, 202855250), (5, 162284200), (8, 101427625), (10, 81142100), (13, 62417000), (20, 40571050), (25, 32456840), (26, 31208500), (40, 20285525), (50, 16228420), (52, 15604250), (65, 12483400), (100, 8114210), (104, 7802125), (125, 6491368), (130, 6241700), (200, 4057105), (250, 3245684), (260, 3120850), (325, 2496680), (500, 1622842), (520, 1560425), (650, 1248340), (1000, 811421), (1300, 624170), (1625, 499336), (2600, 312085), (3250, 249668), (6500, 124834), (13000, 62417)]