16836875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 23992320

約数和(自身を除く): 7155445

約数列:

[1, 5, 11, 25, 31, 55, 79, 125, 155, 275, 341, 395, 625, 775, 869, 1375, 1705, 1975, 2449, 3875, 4345, 6875, 8525, 9875, 12245, 19375, 21725, 26939, 42625, 49375, 61225, 108625, 134695, 213125, 306125, 543125, 673475, 1530625, 3367375, 16836875]

約数ペア:

[(1, 16836875), (5, 3367375), (11, 1530625), (25, 673475), (31, 543125), (55, 306125), (79, 213125), (125, 134695), (155, 108625), (275, 61225), (341, 49375), (395, 42625), (625, 26939), (775, 21725), (869, 19375), (1375, 12245), (1705, 9875), (1975, 8525), (2449, 6875), (3875, 4345)]