40508320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8167}}^1$

素因数の和:8213

約数の個数: 48

約数和(自身を含む): 98800128

約数和(自身を除く): 58291808

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, 8167, 16334, 32668, 40835, 65336, 81670, 130672, 163340, 253177, 261344, 326680, 506354, 653360, 1012708, 1265885, 1306720, 2025416, 2531770, 4050832, 5063540, 8101664, 10127080, 20254160, 40508320]

約数ペア:

[(1, 40508320), (2, 20254160), (4, 10127080), (5, 8101664), (8, 5063540), (10, 4050832), (16, 2531770), (20, 2025416), (31, 1306720), (32, 1265885), (40, 1012708), (62, 653360), (80, 506354), (124, 326680), (155, 261344), (160, 253177), (248, 163340), (310, 130672), (496, 81670), (620, 65336), (992, 40835), (1240, 32668), (2480, 16334), (4960, 8167)]