89572640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18059}}^1$

素因数の和:18105

約数の個数: 48

約数和(自身を含む): 218453760

約数和(自身を除く): 128881120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18059, 36118, 72236, 90295, 144472, 180590, 288944, 361180, 559829, 577888, 722360, 1119658, 1444720, 2239316, 2799145, 2889440, 4478632, 5598290, 8957264, 11196580, 17914528, 22393160, 44786320, 89572640]

約数ペア:

[(1, 89572640), (2, 44786320), (4, 22393160), (5, 17914528), (8, 11196580), (10, 8957264), (16, 5598290), (20, 4478632), (31, 2889440), (32, 2799145), (40, 2239316), (62, 1444720), (80, 1119658), (124, 722360), (155, 577888), (160, 559829), (248, 361180), (310, 288944), (496, 180590), (620, 144472), (992, 90295), (1240, 72236), (2480, 36118), (4960, 18059)]