88390480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 220057344

約数和(自身を除く): 131666864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 340, 412, 515, 631, 680, 824, 1030, 1262, 1360, 1648, 1751, 2060, 2524, 3155, 3502, 4120, 5048, 6310, 7004, 8240, 8755, 10096, 10727, 12620, 14008, 17510, 21454, 25240, 28016, 35020, 42908, 50480, 53635, 64993, 70040, 85816, 107270, 129986, 140080, 171632, 214540, 259972, 324965, 429080, 519944, 649930, 858160, 1039888, 1104881, 1299860, 2209762, 2599720, 4419524, 5199440, 5524405, 8839048, 11048810, 17678096, 22097620, 44195240, 88390480]

約数ペア:

[(1, 88390480), (2, 44195240), (4, 22097620), (5, 17678096), (8, 11048810), (10, 8839048), (16, 5524405), (17, 5199440), (20, 4419524), (34, 2599720), (40, 2209762), (68, 1299860), (80, 1104881), (85, 1039888), (103, 858160), (136, 649930), (170, 519944), (206, 429080), (272, 324965), (340, 259972), (412, 214540), (515, 171632), (631, 140080), (680, 129986), (824, 107270), (1030, 85816), (1262, 70040), (1360, 64993), (1648, 53635), (1751, 50480), (2060, 42908), (2524, 35020), (3155, 28016), (3502, 25240), (4120, 21454), (5048, 17510), (6310, 14008), (7004, 12620), (8240, 10727), (8755, 10096)]