712640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 56

約数和(自身を含む): 1810512

約数和(自身を除く): 1097872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 131, 136, 160, 170, 262, 272, 320, 340, 524, 544, 655, 680, 1048, 1088, 1310, 1360, 2096, 2227, 2620, 2720, 4192, 4454, 5240, 5440, 8384, 8908, 10480, 11135, 17816, 20960, 22270, 35632, 41920, 44540, 71264, 89080, 142528, 178160, 356320, 712640]

約数ペア:

[(1, 712640), (2, 356320), (4, 178160), (5, 142528), (8, 89080), (10, 71264), (16, 44540), (17, 41920), (20, 35632), (32, 22270), (34, 20960), (40, 17816), (64, 11135), (68, 10480), (80, 8908), (85, 8384), (131, 5440), (136, 5240), (160, 4454), (170, 4192), (262, 2720), (272, 2620), (320, 2227), (340, 2096), (524, 1360), (544, 1310), (655, 1088), (680, 1048)]