15616250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:97

約数の個数: 60

約数和(自身を含む): 32572386

約数和(自身を除く): 16956136

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 625, 650, 775, 806, 961, 1250, 1550, 1625, 1922, 2015, 3250, 3875, 4030, 4805, 7750, 8125, 9610, 10075, 12493, 16250, 19375, 20150, 24025, 24986, 38750, 48050, 50375, 62465, 100750, 120125, 124930, 240250, 251875, 312325, 503750, 600625, 624650, 1201250, 1561625, 3123250, 7808125, 15616250]

約数ペア:

[(1, 15616250), (2, 7808125), (5, 3123250), (10, 1561625), (13, 1201250), (25, 624650), (26, 600625), (31, 503750), (50, 312325), (62, 251875), (65, 240250), (125, 124930), (130, 120125), (155, 100750), (250, 62465), (310, 50375), (325, 48050), (403, 38750), (625, 24986), (650, 24025), (775, 20150), (806, 19375), (961, 16250), (1250, 12493), (1550, 10075), (1625, 9610), (1922, 8125), (2015, 7750), (3250, 4805), (3875, 4030)]