12729120625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{349}}^1$

素因数の和:516

約数の個数: 60

約数和(自身を含む): 17439183300

約数和(自身を除く): 4710062675

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 349, 625, 871, 1625, 1675, 1745, 4355, 4489, 4537, 8125, 8375, 8725, 21775, 22445, 22685, 23383, 41875, 43625, 58357, 108875, 112225, 113425, 116915, 218125, 291785, 303979, 544375, 561125, 567125, 584575, 1458925, 1519895, 1566661, 2805625, 2835625, 2922875, 7294625, 7599475, 7833305, 14614375, 20366593, 36473125, 37997375, 39166525, 101832965, 189986875, 195832625, 509164825, 979163125, 2545824125, 12729120625]

約数ペア:

[(1, 12729120625), (5, 2545824125), (13, 979163125), (25, 509164825), (65, 195832625), (67, 189986875), (125, 101832965), (325, 39166525), (335, 37997375), (349, 36473125), (625, 20366593), (871, 14614375), (1625, 7833305), (1675, 7599475), (1745, 7294625), (4355, 2922875), (4489, 2835625), (4537, 2805625), (8125, 1566661), (8375, 1519895), (8725, 1458925), (21775, 584575), (22445, 567125), (22685, 561125), (23383, 544375), (41875, 303979), (43625, 291785), (58357, 218125), (108875, 116915), (112225, 113425)]