220511680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22229}}^1$

素因数の和:22277

約数の個数: 56

約数和(自身を含む): 542056320

約数和(自身を除く): 321544640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 22229, 44458, 88916, 111145, 177832, 222290, 355664, 444580, 689099, 711328, 889160, 1378198, 1422656, 1778320, 2756396, 3445495, 3556640, 5512792, 6890990, 7113280, 11025584, 13781980, 22051168, 27563960, 44102336, 55127920, 110255840, 220511680]

約数ペア:

[(1, 220511680), (2, 110255840), (4, 55127920), (5, 44102336), (8, 27563960), (10, 22051168), (16, 13781980), (20, 11025584), (31, 7113280), (32, 6890990), (40, 5512792), (62, 3556640), (64, 3445495), (80, 2756396), (124, 1778320), (155, 1422656), (160, 1378198), (248, 889160), (310, 711328), (320, 689099), (496, 444580), (620, 355664), (992, 222290), (1240, 177832), (1984, 111145), (2480, 88916), (4960, 44458), (9920, 22229)]