201770320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81359}}^1$

素因数の和:81403

約数の個数: 40

約数和(自身を含む): 484254720

約数和(自身を除く): 282484400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81359, 162718, 325436, 406795, 650872, 813590, 1301744, 1627180, 2522129, 3254360, 5044258, 6508720, 10088516, 12610645, 20177032, 25221290, 40354064, 50442580, 100885160, 201770320]

約数ペア:

[(1, 201770320), (2, 100885160), (4, 50442580), (5, 40354064), (8, 25221290), (10, 20177032), (16, 12610645), (20, 10088516), (31, 6508720), (40, 5044258), (62, 3254360), (80, 2522129), (124, 1627180), (155, 1301744), (248, 813590), (310, 650872), (496, 406795), (620, 325436), (1240, 162718), (2480, 81359)]