130005980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26317}}^1$

素因数の和:26358

約数の個数: 48

約数和(自身を含む): 309499680

約数和(自身を除く): 179493700

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, 26317, 52634, 105268, 131585, 263170, 342121, 500023, 526340, 684242, 1000046, 1368484, 1710605, 2000092, 2500115, 3421210, 5000230, 6500299, 6842420, 10000460, 13000598, 26001196, 32501495, 65002990, 130005980]

約数ペア:

[(1, 130005980), (2, 65002990), (4, 32501495), (5, 26001196), (10, 13000598), (13, 10000460), (19, 6842420), (20, 6500299), (26, 5000230), (38, 3421210), (52, 2500115), (65, 2000092), (76, 1710605), (95, 1368484), (130, 1000046), (190, 684242), (247, 526340), (260, 500023), (380, 342121), (494, 263170), (988, 131585), (1235, 105268), (2470, 52634), (4940, 26317)]