52131820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 126866880

約数和(自身を除く): 74735060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 61, 65, 76, 95, 122, 130, 173, 190, 244, 247, 260, 305, 346, 380, 494, 610, 692, 793, 865, 988, 1159, 1220, 1235, 1586, 1730, 2249, 2318, 2470, 3172, 3287, 3460, 3965, 4498, 4636, 4940, 5795, 6574, 7930, 8996, 10553, 11245, 11590, 13148, 15067, 15860, 16435, 21106, 22490, 23180, 30134, 32870, 42212, 42731, 44980, 52765, 60268, 65740, 75335, 85462, 105530, 137189, 150670, 170924, 200507, 211060, 213655, 274378, 301340, 401014, 427310, 548756, 685945, 802028, 854620, 1002535, 1371890, 2005070, 2606591, 2743780, 4010140, 5213182, 10426364, 13032955, 26065910, 52131820]

約数ペア:

[(1, 52131820), (2, 26065910), (4, 13032955), (5, 10426364), (10, 5213182), (13, 4010140), (19, 2743780), (20, 2606591), (26, 2005070), (38, 1371890), (52, 1002535), (61, 854620), (65, 802028), (76, 685945), (95, 548756), (122, 427310), (130, 401014), (173, 301340), (190, 274378), (244, 213655), (247, 211060), (260, 200507), (305, 170924), (346, 150670), (380, 137189), (494, 105530), (610, 85462), (692, 75335), (793, 65740), (865, 60268), (988, 52765), (1159, 44980), (1220, 42731), (1235, 42212), (1586, 32870), (1730, 30134), (2249, 23180), (2318, 22490), (2470, 21106), (3172, 16435), (3287, 15860), (3460, 15067), (3965, 13148), (4498, 11590), (4636, 11245), (4940, 10553), (5795, 8996), (6574, 7930)]