28883140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10099}}^1$

素因数の和:10132

約数の個数: 48

約数和(自身を含む): 71265600

約数和(自身を除く): 42382460

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10099, 20198, 40396, 50495, 100990, 111089, 131287, 201980, 222178, 262574, 444356, 525148, 555445, 656435, 1110890, 1312870, 1444157, 2221780, 2625740, 2888314, 5776628, 7220785, 14441570, 28883140]

約数ペア:

[(1, 28883140), (2, 14441570), (4, 7220785), (5, 5776628), (10, 2888314), (11, 2625740), (13, 2221780), (20, 1444157), (22, 1312870), (26, 1110890), (44, 656435), (52, 555445), (55, 525148), (65, 444356), (110, 262574), (130, 222178), (143, 201980), (220, 131287), (260, 111089), (286, 100990), (572, 50495), (715, 40396), (1430, 20198), (2860, 10099)]