15496280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12497}}^1$

素因数の和:12539

約数の個数: 32

約数和(自身を含む): 35994240

約数和(自身を除く): 20497960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12497, 24994, 49988, 62485, 99976, 124970, 249940, 387407, 499880, 774814, 1549628, 1937035, 3099256, 3874070, 7748140, 15496280]

約数ペア:

[(1, 15496280), (2, 7748140), (4, 3874070), (5, 3099256), (8, 1937035), (10, 1549628), (20, 774814), (31, 499880), (40, 387407), (62, 249940), (124, 124970), (155, 99976), (248, 62485), (310, 49988), (620, 24994), (1240, 12497)]