51232220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 125229888

約数和(自身を除く): 73997668

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 67, 68, 85, 130, 134, 170, 173, 221, 260, 268, 335, 340, 346, 442, 670, 692, 865, 871, 884, 1105, 1139, 1340, 1730, 1742, 2210, 2249, 2278, 2941, 3460, 3484, 4355, 4420, 4498, 4556, 5695, 5882, 8710, 8996, 11245, 11390, 11591, 11764, 14705, 14807, 17420, 22490, 22780, 23182, 29410, 29614, 38233, 44980, 46364, 57955, 58820, 59228, 74035, 76466, 115910, 148070, 150683, 152932, 191165, 197047, 231820, 296140, 301366, 382330, 394094, 602732, 753415, 764660, 788188, 985235, 1506830, 1970470, 2561611, 3013660, 3940940, 5123222, 10246444, 12808055, 25616110, 51232220]

約数ペア:

[(1, 51232220), (2, 25616110), (4, 12808055), (5, 10246444), (10, 5123222), (13, 3940940), (17, 3013660), (20, 2561611), (26, 1970470), (34, 1506830), (52, 985235), (65, 788188), (67, 764660), (68, 753415), (85, 602732), (130, 394094), (134, 382330), (170, 301366), (173, 296140), (221, 231820), (260, 197047), (268, 191165), (335, 152932), (340, 150683), (346, 148070), (442, 115910), (670, 76466), (692, 74035), (865, 59228), (871, 58820), (884, 57955), (1105, 46364), (1139, 44980), (1340, 38233), (1730, 29614), (1742, 29410), (2210, 23182), (2249, 22780), (2278, 22490), (2941, 17420), (3460, 14807), (3484, 14705), (4355, 11764), (4420, 11591), (4498, 11390), (4556, 11245), (5695, 8996), (5882, 8710)]