22503650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 45700200

約数和(自身を除く): 23196550

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 325, 389, 445, 650, 778, 890, 1157, 1945, 2225, 2314, 3890, 4450, 5057, 5785, 9725, 10114, 11570, 19450, 25285, 28925, 34621, 50570, 57850, 69242, 126425, 173105, 252850, 346210, 450073, 865525, 900146, 1731050, 2250365, 4500730, 11251825, 22503650]

約数ペア:

[(1, 22503650), (2, 11251825), (5, 4500730), (10, 2250365), (13, 1731050), (25, 900146), (26, 865525), (50, 450073), (65, 346210), (89, 252850), (130, 173105), (178, 126425), (325, 69242), (389, 57850), (445, 50570), (650, 34621), (778, 28925), (890, 25285), (1157, 19450), (1945, 11570), (2225, 10114), (2314, 9725), (3890, 5785), (4450, 5057)]