3331250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 6890184

約数和(自身を除く): 3558934

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 205, 250, 325, 410, 533, 625, 650, 1025, 1066, 1250, 1625, 2050, 2665, 3125, 3250, 5125, 5330, 6250, 8125, 10250, 13325, 16250, 25625, 26650, 40625, 51250, 66625, 81250, 128125, 133250, 256250, 333125, 666250, 1665625, 3331250]

約数ペア:

[(1, 3331250), (2, 1665625), (5, 666250), (10, 333125), (13, 256250), (25, 133250), (26, 128125), (41, 81250), (50, 66625), (65, 51250), (82, 40625), (125, 26650), (130, 25625), (205, 16250), (250, 13325), (325, 10250), (410, 8125), (533, 6250), (625, 5330), (650, 5125), (1025, 3250), (1066, 3125), (1250, 2665), (1625, 2050)]