40984060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 93181536

約数和(自身を除く): 52197476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 557, 566, 1114, 1132, 1415, 2228, 2785, 2830, 3679, 5570, 5660, 7241, 7358, 11140, 14482, 14716, 18395, 28964, 36205, 36790, 72410, 73580, 144820, 157631, 315262, 630524, 788155, 1576310, 2049203, 3152620, 4098406, 8196812, 10246015, 20492030, 40984060]

約数ペア:

[(1, 40984060), (2, 20492030), (4, 10246015), (5, 8196812), (10, 4098406), (13, 3152620), (20, 2049203), (26, 1576310), (52, 788155), (65, 630524), (130, 315262), (260, 157631), (283, 144820), (557, 73580), (566, 72410), (1114, 36790), (1132, 36205), (1415, 28964), (2228, 18395), (2785, 14716), (2830, 14482), (3679, 11140), (5570, 7358), (5660, 7241)]