70724420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16001}}^1$

素因数の和:16040

約数の個数: 48

約数和(自身を含む): 169365168

約数和(自身を除く): 98640748

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 16001, 32002, 64004, 80005, 160010, 208013, 272017, 320020, 416026, 544034, 832052, 1040065, 1088068, 1360085, 2080130, 2720170, 3536221, 4160260, 5440340, 7072442, 14144884, 17681105, 35362210, 70724420]

約数ペア:

[(1, 70724420), (2, 35362210), (4, 17681105), (5, 14144884), (10, 7072442), (13, 5440340), (17, 4160260), (20, 3536221), (26, 2720170), (34, 2080130), (52, 1360085), (65, 1088068), (68, 1040065), (85, 832052), (130, 544034), (170, 416026), (221, 320020), (260, 272017), (340, 208013), (442, 160010), (884, 80005), (1105, 64004), (2210, 32002), (4420, 16001)]