78417040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75401}}^1$

素因数の和:75427

約数の個数: 40

約数和(自身を含む): 196346808

約数和(自身を除く): 117929768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75401, 150802, 301604, 377005, 603208, 754010, 980213, 1206416, 1508020, 1960426, 3016040, 3920852, 4901065, 6032080, 7841704, 9802130, 15683408, 19604260, 39208520, 78417040]

約数ペア:

[(1, 78417040), (2, 39208520), (4, 19604260), (5, 15683408), (8, 9802130), (10, 7841704), (13, 6032080), (16, 4901065), (20, 3920852), (26, 3016040), (40, 1960426), (52, 1508020), (65, 1206416), (80, 980213), (104, 754010), (130, 603208), (208, 377005), (260, 301604), (520, 150802), (1040, 75401)]