48495980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9817}}^1$

素因数の和:9858

約数の個数: 48

約数和(自身を含む): 115459680

約数和(自身を除く): 66963700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 9817, 19634, 39268, 49085, 98170, 127621, 186523, 196340, 255242, 373046, 510484, 638105, 746092, 932615, 1276210, 1865230, 2424799, 2552420, 3730460, 4849598, 9699196, 12123995, 24247990, 48495980]

約数ペア:

[(1, 48495980), (2, 24247990), (4, 12123995), (5, 9699196), (10, 4849598), (13, 3730460), (19, 2552420), (20, 2424799), (26, 1865230), (38, 1276210), (52, 932615), (65, 746092), (76, 638105), (95, 510484), (130, 373046), (190, 255242), (247, 196340), (260, 186523), (380, 127621), (494, 98170), (988, 49085), (1235, 39268), (2470, 19634), (4940, 9817)]