2621540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3305500

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 139, 164, 205, 230, 278, 410, 460, 556, 695, 820, 943, 1390, 1886, 2780, 3197, 3772, 4715, 5699, 6394, 9430, 11398, 12788, 15985, 18860, 22796, 28495, 31970, 56990, 63940, 113980, 131077, 262154, 524308, 655385, 1310770, 2621540]

約数ペア:

[(1, 2621540), (2, 1310770), (4, 655385), (5, 524308), (10, 262154), (20, 131077), (23, 113980), (41, 63940), (46, 56990), (82, 31970), (92, 28495), (115, 22796), (139, 18860), (164, 15985), (205, 12788), (230, 11398), (278, 9430), (410, 6394), (460, 5699), (556, 4715), (695, 3772), (820, 3197), (943, 2780), (1390, 1886)]