85248140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 185794560

約数和(自身を除く): 100546420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 359, 383, 620, 718, 766, 1436, 1532, 1795, 1915, 3590, 3830, 7180, 7660, 11129, 11873, 22258, 23746, 44516, 47492, 55645, 59365, 111290, 118730, 137497, 222580, 237460, 274994, 549988, 687485, 1374970, 2749940, 4262407, 8524814, 17049628, 21312035, 42624070, 85248140]

約数ペア:

[(1, 85248140), (2, 42624070), (4, 21312035), (5, 17049628), (10, 8524814), (20, 4262407), (31, 2749940), (62, 1374970), (124, 687485), (155, 549988), (310, 274994), (359, 237460), (383, 222580), (620, 137497), (718, 118730), (766, 111290), (1436, 59365), (1532, 55645), (1795, 47492), (1915, 44516), (3590, 23746), (3830, 22258), (7180, 11873), (7660, 11129)]