100128640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9203}}^1$

素因数の和:9239

約数の個数: 64

約数和(自身を含む): 253478160

約数和(自身を除く): 153349520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 9203, 10880, 18406, 36812, 46015, 73624, 92030, 147248, 156451, 184060, 294496, 312902, 368120, 588992, 625804, 736240, 782255, 1177984, 1251608, 1472480, 1564510, 2503216, 2944960, 3129020, 5006432, 5889920, 6258040, 10012864, 12516080, 20025728, 25032160, 50064320, 100128640]

約数ペア:

[(1, 100128640), (2, 50064320), (4, 25032160), (5, 20025728), (8, 12516080), (10, 10012864), (16, 6258040), (17, 5889920), (20, 5006432), (32, 3129020), (34, 2944960), (40, 2503216), (64, 1564510), (68, 1472480), (80, 1251608), (85, 1177984), (128, 782255), (136, 736240), (160, 625804), (170, 588992), (272, 368120), (320, 312902), (340, 294496), (544, 184060), (640, 156451), (680, 147248), (1088, 92030), (1360, 73624), (2176, 46015), (2720, 36812), (5440, 18406), (9203, 10880)]