16118125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 22436568

約数和(自身を除く): 6318443

約数列:

[1, 5, 17, 25, 37, 41, 85, 125, 185, 205, 425, 625, 629, 697, 925, 1025, 1517, 2125, 3145, 3485, 4625, 5125, 7585, 10625, 15725, 17425, 23125, 25625, 25789, 37925, 78625, 87125, 128945, 189625, 393125, 435625, 644725, 948125, 3223625, 16118125]

約数ペア:

[(1, 16118125), (5, 3223625), (17, 948125), (25, 644725), (37, 435625), (41, 393125), (85, 189625), (125, 128945), (185, 87125), (205, 78625), (425, 37925), (625, 25789), (629, 25625), (697, 23125), (925, 17425), (1025, 15725), (1517, 10625), (2125, 7585), (3145, 5125), (3485, 4625)]