84804980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17167}}^1$

素因数の和:17208

約数の個数: 48

約数和(自身を含む): 201895680

約数和(自身を除く): 117090700

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, 17167, 34334, 68668, 85835, 171670, 223171, 326173, 343340, 446342, 652346, 892684, 1115855, 1304692, 1630865, 2231710, 3261730, 4240249, 4463420, 6523460, 8480498, 16960996, 21201245, 42402490, 84804980]

約数ペア:

[(1, 84804980), (2, 42402490), (4, 21201245), (5, 16960996), (10, 8480498), (13, 6523460), (19, 4463420), (20, 4240249), (26, 3261730), (38, 2231710), (52, 1630865), (65, 1304692), (76, 1115855), (95, 892684), (130, 652346), (190, 446342), (247, 343340), (260, 326173), (380, 223171), (494, 171670), (988, 85835), (1235, 68668), (2470, 34334), (4940, 17167)]