1019381680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{411041}}^1$

素因数の和:411085

約数の個数: 40

約数和(自身を含む): 2446521984

約数和(自身を除く): 1427140304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 411041, 822082, 1644164, 2055205, 3288328, 4110410, 6576656, 8220820, 12742271, 16441640, 25484542, 32883280, 50969084, 63711355, 101938168, 127422710, 203876336, 254845420, 509690840, 1019381680]

約数ペア:

[(1, 1019381680), (2, 509690840), (4, 254845420), (5, 203876336), (8, 127422710), (10, 101938168), (16, 63711355), (20, 50969084), (31, 32883280), (40, 25484542), (62, 16441640), (80, 12742271), (124, 8220820), (155, 6576656), (248, 4110410), (310, 3288328), (496, 2055205), (620, 1644164), (1240, 822082), (2480, 411041)]