65530280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 155865600

約数和(自身を除く): 90335320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1229, 1240, 1333, 1720, 2458, 2666, 4916, 5332, 6145, 6665, 9832, 10664, 12290, 13330, 24580, 26660, 38099, 49160, 52847, 53320, 76198, 105694, 152396, 190495, 211388, 264235, 304792, 380990, 422776, 528470, 761980, 1056940, 1523960, 1638257, 2113880, 3276514, 6553028, 8191285, 13106056, 16382570, 32765140, 65530280]

約数ペア:

[(1, 65530280), (2, 32765140), (4, 16382570), (5, 13106056), (8, 8191285), (10, 6553028), (20, 3276514), (31, 2113880), (40, 1638257), (43, 1523960), (62, 1056940), (86, 761980), (124, 528470), (155, 422776), (172, 380990), (215, 304792), (248, 264235), (310, 211388), (344, 190495), (430, 152396), (620, 105694), (860, 76198), (1229, 53320), (1240, 52847), (1333, 49160), (1720, 38099), (2458, 26660), (2666, 24580), (4916, 13330), (5332, 12290), (6145, 10664), (6665, 9832)]