12728300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9791}}^1$

素因数の和:9818

約数の個数: 36

約数和(自身を含む): 29748096

約数和(自身を除く): 17019796

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 9791, 19582, 39164, 48955, 97910, 127283, 195820, 244775, 254566, 489550, 509132, 636415, 979100, 1272830, 2545660, 3182075, 6364150, 12728300]

約数ペア:

[(1, 12728300), (2, 6364150), (4, 3182075), (5, 2545660), (10, 1272830), (13, 979100), (20, 636415), (25, 509132), (26, 489550), (50, 254566), (52, 244775), (65, 195820), (100, 127283), (130, 97910), (260, 48955), (325, 39164), (650, 19582), (1300, 9791)]