16542500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 60

約数和(自身を含む): 39034380

約数和(自身を除く): 22491880

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 509, 625, 650, 1018, 1250, 1300, 1625, 2036, 2500, 2545, 3250, 5090, 6500, 6617, 8125, 10180, 12725, 13234, 16250, 25450, 26468, 32500, 33085, 50900, 63625, 66170, 127250, 132340, 165425, 254500, 318125, 330850, 636250, 661700, 827125, 1272500, 1654250, 3308500, 4135625, 8271250, 16542500]

約数ペア:

[(1, 16542500), (2, 8271250), (4, 4135625), (5, 3308500), (10, 1654250), (13, 1272500), (20, 827125), (25, 661700), (26, 636250), (50, 330850), (52, 318125), (65, 254500), (100, 165425), (125, 132340), (130, 127250), (250, 66170), (260, 63625), (325, 50900), (500, 33085), (509, 32500), (625, 26468), (650, 25450), (1018, 16250), (1250, 13234), (1300, 12725), (1625, 10180), (2036, 8125), (2500, 6617), (2545, 6500), (3250, 5090)]