4213820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 10043040

約数和(自身を除く): 5829220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 853, 988, 1235, 1706, 2470, 3412, 4265, 4940, 8530, 11089, 16207, 17060, 22178, 32414, 44356, 55445, 64828, 81035, 110890, 162070, 210691, 221780, 324140, 421382, 842764, 1053455, 2106910, 4213820]

約数ペア:

[(1, 4213820), (2, 2106910), (4, 1053455), (5, 842764), (10, 421382), (13, 324140), (19, 221780), (20, 210691), (26, 162070), (38, 110890), (52, 81035), (65, 64828), (76, 55445), (95, 44356), (130, 32414), (190, 22178), (247, 17060), (260, 16207), (380, 11089), (494, 8530), (853, 4940), (988, 4265), (1235, 3412), (1706, 2470)]