80784512

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{20359}}^1$

素因数の和:20404

約数の個数: 32

約数和(自身を含む): 166137600

約数和(自身を除く): 85353088

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20359, 40718, 81436, 162872, 325744, 631129, 651488, 1262258, 1302976, 2524516, 2605952, 5049032, 10098064, 20196128, 40392256, 80784512]

約数ペア:

[(1, 80784512), (2, 40392256), (4, 20196128), (8, 10098064), (16, 5049032), (31, 2605952), (32, 2524516), (62, 1302976), (64, 1262258), (124, 651488), (128, 631129), (248, 325744), (496, 162872), (992, 81436), (1984, 40718), (3968, 20359)]