53912720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21783

約数の個数: 40

約数和(自身を含む): 129396480

約数和(自身を除く): 75483760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21739, 43478, 86956, 108695, 173912, 217390, 347824, 434780, 673909, 869560, 1347818, 1739120, 2695636, 3369545, 5391272, 6739090, 10782544, 13478180, 26956360, 53912720]

約数ペア:

[(1, 53912720), (2, 26956360), (4, 13478180), (5, 10782544), (8, 6739090), (10, 5391272), (16, 3369545), (20, 2695636), (31, 1739120), (40, 1347818), (62, 869560), (80, 673909), (124, 434780), (155, 347824), (248, 217390), (310, 173912), (496, 108695), (620, 86956), (1240, 43478), (2480, 21739)]