11796980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 28521528

約数和(自身を除く): 16724548

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 157, 170, 221, 260, 289, 314, 340, 442, 578, 628, 785, 884, 1105, 1156, 1445, 1570, 2041, 2210, 2669, 2890, 3140, 3757, 4082, 4420, 5338, 5780, 7514, 8164, 10205, 10676, 13345, 15028, 18785, 20410, 26690, 34697, 37570, 40820, 45373, 53380, 69394, 75140, 90746, 138788, 173485, 181492, 226865, 346970, 453730, 589849, 693940, 907460, 1179698, 2359396, 2949245, 5898490, 11796980]

約数ペア:

[(1, 11796980), (2, 5898490), (4, 2949245), (5, 2359396), (10, 1179698), (13, 907460), (17, 693940), (20, 589849), (26, 453730), (34, 346970), (52, 226865), (65, 181492), (68, 173485), (85, 138788), (130, 90746), (157, 75140), (170, 69394), (221, 53380), (260, 45373), (289, 40820), (314, 37570), (340, 34697), (442, 26690), (578, 20410), (628, 18785), (785, 15028), (884, 13345), (1105, 10676), (1156, 10205), (1445, 8164), (1570, 7514), (2041, 5780), (2210, 5338), (2669, 4420), (2890, 4082), (3140, 3757)]