1640578085005

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{1031}}^1\times {\mathrm{11777}}^1$

素因数の和:13317

約数の個数: 32

約数和(自身を含む): 2007599862528

約数和(自身を除く): 367021777523

約数列:

[1, 5, 61, 305, 443, 1031, 2215, 5155, 11777, 27023, 58885, 62891, 135115, 314455, 456733, 718397, 2283665, 3591985, 5217211, 12142087, 26086055, 27860713, 60710435, 139303565, 318249871, 740667307, 1591249355, 3703336535, 5378944541, 26894722705, 328115617001, 1640578085005]

約数ペア:

[(1, 1640578085005), (5, 328115617001), (61, 26894722705), (305, 5378944541), (443, 3703336535), (1031, 1591249355), (2215, 740667307), (5155, 318249871), (11777, 139303565), (27023, 60710435), (58885, 27860713), (62891, 26086055), (135115, 12142087), (314455, 5217211), (456733, 3591985), (718397, 2283665)]