13001300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 31024056

約数和(自身を除く): 18022756

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 137, 146, 260, 274, 292, 325, 365, 548, 650, 685, 730, 949, 1300, 1370, 1460, 1781, 1825, 1898, 2740, 3425, 3562, 3650, 3796, 4745, 6850, 7124, 7300, 8905, 9490, 10001, 13700, 17810, 18980, 20002, 23725, 35620, 40004, 44525, 47450, 50005, 89050, 94900, 100010, 130013, 178100, 200020, 250025, 260026, 500050, 520052, 650065, 1000100, 1300130, 2600260, 3250325, 6500650, 13001300]

約数ペア:

[(1, 13001300), (2, 6500650), (4, 3250325), (5, 2600260), (10, 1300130), (13, 1000100), (20, 650065), (25, 520052), (26, 500050), (50, 260026), (52, 250025), (65, 200020), (73, 178100), (100, 130013), (130, 100010), (137, 94900), (146, 89050), (260, 50005), (274, 47450), (292, 44525), (325, 40004), (365, 35620), (548, 23725), (650, 20002), (685, 18980), (730, 17810), (949, 13700), (1300, 10001), (1370, 9490), (1460, 8905), (1781, 7300), (1825, 7124), (1898, 6850), (2740, 4745), (3425, 3796), (3562, 3650)]