28887430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20201}}^1$

素因数の和:20232

約数の個数: 32

約数和(自身を含む): 61090848

約数和(自身を除く): 32203418

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20201, 40402, 101005, 202010, 222211, 262613, 444422, 525226, 1111055, 1313065, 2222110, 2626130, 2888743, 5777486, 14443715, 28887430]

約数ペア:

[(1, 28887430), (2, 14443715), (5, 5777486), (10, 2888743), (11, 2626130), (13, 2222110), (22, 1313065), (26, 1111055), (55, 525226), (65, 444422), (110, 262613), (130, 222211), (143, 202010), (286, 101005), (715, 40402), (1430, 20201)]