42530440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 99475200

約数和(自身を除く): 56944760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 313, 316, 344, 395, 430, 626, 632, 790, 860, 1252, 1565, 1580, 1720, 2504, 3130, 3160, 3397, 6260, 6794, 12520, 13459, 13588, 16985, 24727, 26918, 27176, 33970, 49454, 53836, 67295, 67940, 98908, 107672, 123635, 134590, 135880, 197816, 247270, 269180, 494540, 538360, 989080, 1063261, 2126522, 4253044, 5316305, 8506088, 10632610, 21265220, 42530440]

約数ペア:

[(1, 42530440), (2, 21265220), (4, 10632610), (5, 8506088), (8, 5316305), (10, 4253044), (20, 2126522), (40, 1063261), (43, 989080), (79, 538360), (86, 494540), (158, 269180), (172, 247270), (215, 197816), (313, 135880), (316, 134590), (344, 123635), (395, 107672), (430, 98908), (626, 67940), (632, 67295), (790, 53836), (860, 49454), (1252, 33970), (1565, 27176), (1580, 26918), (1720, 24727), (2504, 16985), (3130, 13588), (3160, 13459), (3397, 12520), (6260, 6794)]