4487860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 10421712

約数和(自身を除く): 5933852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 421, 533, 820, 842, 1066, 1684, 2105, 2132, 2665, 4210, 5330, 5473, 8420, 10660, 10946, 17261, 21892, 27365, 34522, 54730, 69044, 86305, 109460, 172610, 224393, 345220, 448786, 897572, 1121965, 2243930, 4487860]

約数ペア:

[(1, 4487860), (2, 2243930), (4, 1121965), (5, 897572), (10, 448786), (13, 345220), (20, 224393), (26, 172610), (41, 109460), (52, 86305), (65, 69044), (82, 54730), (130, 34522), (164, 27365), (205, 21892), (260, 17261), (410, 10946), (421, 10660), (533, 8420), (820, 5473), (842, 5330), (1066, 4210), (1684, 2665), (2105, 2132)]