42198260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 96373200

約数和(自身を除く): 54174940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 1489, 2180, 2834, 2978, 5668, 5956, 7085, 7445, 14170, 14890, 19357, 28340, 29780, 38714, 77428, 96785, 162301, 193570, 324602, 387140, 649204, 811505, 1623010, 2109913, 3246020, 4219826, 8439652, 10549565, 21099130, 42198260]

約数ペア:

[(1, 42198260), (2, 21099130), (4, 10549565), (5, 8439652), (10, 4219826), (13, 3246020), (20, 2109913), (26, 1623010), (52, 811505), (65, 649204), (109, 387140), (130, 324602), (218, 193570), (260, 162301), (436, 96785), (545, 77428), (1090, 38714), (1417, 29780), (1489, 28340), (2180, 19357), (2834, 14890), (2978, 14170), (5668, 7445), (5956, 7085)]