129758560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26161}}^1$

素因数の和:26207

約数の個数: 48

約数和(自身を含む): 316455552

約数和(自身を除く): 186696992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 26161, 52322, 104644, 130805, 209288, 261610, 418576, 523220, 810991, 837152, 1046440, 1621982, 2092880, 3243964, 4054955, 4185760, 6487928, 8109910, 12975856, 16219820, 25951712, 32439640, 64879280, 129758560]

約数ペア:

[(1, 129758560), (2, 64879280), (4, 32439640), (5, 25951712), (8, 16219820), (10, 12975856), (16, 8109910), (20, 6487928), (31, 4185760), (32, 4054955), (40, 3243964), (62, 2092880), (80, 1621982), (124, 1046440), (155, 837152), (160, 810991), (248, 523220), (310, 418576), (496, 261610), (620, 209288), (992, 130805), (1240, 104644), (2480, 52322), (4960, 26161)]