56513990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 117355392

約数和(自身を除く): 60841402

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 205, 230, 299, 410, 461, 533, 598, 922, 943, 1066, 1495, 1886, 2305, 2665, 2990, 4610, 4715, 5330, 5993, 9430, 10603, 11986, 12259, 18901, 21206, 24518, 29965, 37802, 53015, 59930, 61295, 94505, 106030, 122590, 137839, 189010, 245713, 275678, 434723, 491426, 689195, 869446, 1228565, 1378390, 2173615, 2457130, 4347230, 5651399, 11302798, 28256995, 56513990]

約数ペア:

[(1, 56513990), (2, 28256995), (5, 11302798), (10, 5651399), (13, 4347230), (23, 2457130), (26, 2173615), (41, 1378390), (46, 1228565), (65, 869446), (82, 689195), (115, 491426), (130, 434723), (205, 275678), (230, 245713), (299, 189010), (410, 137839), (461, 122590), (533, 106030), (598, 94505), (922, 61295), (943, 59930), (1066, 53015), (1495, 37802), (1886, 29965), (2305, 24518), (2665, 21206), (2990, 18901), (4610, 12259), (4715, 11986), (5330, 10603), (5993, 9430)]