90420640

素因数分解:

$2^5\times 5^1\times {\mathrm{593}}^1\times {\mathrm{953}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 214203528

約数和(自身を除く): 123782888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 593, 953, 1186, 1906, 2372, 2965, 3812, 4744, 4765, 5930, 7624, 9488, 9530, 11860, 15248, 18976, 19060, 23720, 30496, 38120, 47440, 76240, 94880, 152480, 565129, 1130258, 2260516, 2825645, 4521032, 5651290, 9042064, 11302580, 18084128, 22605160, 45210320, 90420640]

約数ペア:

[(1, 90420640), (2, 45210320), (4, 22605160), (5, 18084128), (8, 11302580), (10, 9042064), (16, 5651290), (20, 4521032), (32, 2825645), (40, 2260516), (80, 1130258), (160, 565129), (593, 152480), (953, 94880), (1186, 76240), (1906, 47440), (2372, 38120), (2965, 30496), (3812, 23720), (4744, 19060), (4765, 18976), (5930, 15248), (7624, 11860), (9488, 9530)]