40782400

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 84

約数和(自身を含む): 102047040

約数和(自身を除く): 61264640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 200, 284, 320, 355, 359, 400, 568, 710, 718, 800, 1136, 1420, 1436, 1600, 1775, 1795, 2272, 2840, 2872, 3550, 3590, 4544, 5680, 5744, 7100, 7180, 8975, 11360, 11488, 14200, 14360, 17950, 22720, 22976, 25489, 28400, 28720, 35900, 50978, 56800, 57440, 71800, 101956, 113600, 114880, 127445, 143600, 203912, 254890, 287200, 407824, 509780, 574400, 637225, 815648, 1019560, 1274450, 1631296, 2039120, 2548900, 4078240, 5097800, 8156480, 10195600, 20391200, 40782400]

約数ペア:

[(1, 40782400), (2, 20391200), (4, 10195600), (5, 8156480), (8, 5097800), (10, 4078240), (16, 2548900), (20, 2039120), (25, 1631296), (32, 1274450), (40, 1019560), (50, 815648), (64, 637225), (71, 574400), (80, 509780), (100, 407824), (142, 287200), (160, 254890), (200, 203912), (284, 143600), (320, 127445), (355, 114880), (359, 113600), (400, 101956), (568, 71800), (710, 57440), (718, 56800), (800, 50978), (1136, 35900), (1420, 28720), (1436, 28400), (1600, 25489), (1775, 22976), (1795, 22720), (2272, 17950), (2840, 14360), (2872, 14200), (3550, 11488), (3590, 11360), (4544, 8975), (5680, 7180), (5744, 7100)]