880403968

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{55469}}^1$

素因数の和:55518

約数の個数: 40

約数和(自身を含む): 1815865920

約数和(自身を除く): 935461952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 55469, 110938, 221876, 443752, 887504, 1719539, 1775008, 3439078, 3550016, 6878156, 7100032, 13756312, 14200064, 27512624, 28400128, 55025248, 110050496, 220100992, 440201984, 880403968]

約数ペア:

[(1, 880403968), (2, 440201984), (4, 220100992), (8, 110050496), (16, 55025248), (31, 28400128), (32, 27512624), (62, 14200064), (64, 13756312), (124, 7100032), (128, 6878156), (248, 3550016), (256, 3439078), (496, 1775008), (512, 1719539), (992, 887504), (1984, 443752), (3968, 221876), (7936, 110938), (15872, 55469)]