72404840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58391}}^1$

素因数の和:58433

約数の個数: 32

約数和(自身を含む): 168168960

約数和(自身を除く): 95764120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58391, 116782, 233564, 291955, 467128, 583910, 1167820, 1810121, 2335640, 3620242, 7240484, 9050605, 14480968, 18101210, 36202420, 72404840]

約数ペア:

[(1, 72404840), (2, 36202420), (4, 18101210), (5, 14480968), (8, 9050605), (10, 7240484), (20, 3620242), (31, 2335640), (40, 1810121), (62, 1167820), (124, 583910), (155, 467128), (248, 291955), (310, 233564), (620, 116782), (1240, 58391)]