53019920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21379}}^1$

素因数の和:21423

約数の個数: 40

約数和(自身を含む): 127253760

約数和(自身を除く): 74233840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21379, 42758, 85516, 106895, 171032, 213790, 342064, 427580, 662749, 855160, 1325498, 1710320, 2650996, 3313745, 5301992, 6627490, 10603984, 13254980, 26509960, 53019920]

約数ペア:

[(1, 53019920), (2, 26509960), (4, 13254980), (5, 10603984), (8, 6627490), (10, 5301992), (16, 3313745), (20, 2650996), (31, 1710320), (40, 1325498), (62, 855160), (80, 662749), (124, 427580), (155, 342064), (248, 213790), (310, 171032), (496, 106895), (620, 85516), (1240, 42758), (2480, 21379)]