68986160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27817}}^1$

素因数の和:27861

約数の個数: 40

約数和(自身を含む): 165572736

約数和(自身を除く): 96586576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27817, 55634, 111268, 139085, 222536, 278170, 445072, 556340, 862327, 1112680, 1724654, 2225360, 3449308, 4311635, 6898616, 8623270, 13797232, 17246540, 34493080, 68986160]

約数ペア:

[(1, 68986160), (2, 34493080), (4, 17246540), (5, 13797232), (8, 8623270), (10, 6898616), (16, 4311635), (20, 3449308), (31, 2225360), (40, 1724654), (62, 1112680), (80, 862327), (124, 556340), (155, 445072), (248, 278170), (310, 222536), (496, 139085), (620, 111268), (1240, 55634), (2480, 27817)]