80031640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11839}}^1$

素因数の和:11876

約数の個数: 48

約数和(自身を含む): 195004800

約数和(自身を除く): 114973160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 11839, 23678, 47356, 59195, 94712, 118390, 153907, 236780, 307814, 473560, 615628, 769535, 1231256, 1539070, 2000791, 3078140, 4001582, 6156280, 8003164, 10003955, 16006328, 20007910, 40015820, 80031640]

約数ペア:

[(1, 80031640), (2, 40015820), (4, 20007910), (5, 16006328), (8, 10003955), (10, 8003164), (13, 6156280), (20, 4001582), (26, 3078140), (40, 2000791), (52, 1539070), (65, 1231256), (104, 769535), (130, 615628), (169, 473560), (260, 307814), (338, 236780), (520, 153907), (676, 118390), (845, 94712), (1352, 59195), (1690, 47356), (3380, 23678), (6760, 11839)]