1988960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 4862592

約数和(自身を除く): 2873632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 401, 496, 620, 802, 992, 1240, 1604, 2005, 2480, 3208, 4010, 4960, 6416, 8020, 12431, 12832, 16040, 24862, 32080, 49724, 62155, 64160, 99448, 124310, 198896, 248620, 397792, 497240, 994480, 1988960]

約数ペア:

[(1, 1988960), (2, 994480), (4, 497240), (5, 397792), (8, 248620), (10, 198896), (16, 124310), (20, 99448), (31, 64160), (32, 62155), (40, 49724), (62, 32080), (80, 24862), (124, 16040), (155, 12832), (160, 12431), (248, 8020), (310, 6416), (401, 4960), (496, 4010), (620, 3208), (802, 2480), (992, 2005), (1240, 1604)]