22087780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7756

約数の個数: 48

約数和(自身を含む): 54500544

約数和(自身を除く): 32412764

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7723, 15446, 30892, 38615, 77230, 84953, 100399, 154460, 169906, 200798, 339812, 401596, 424765, 501995, 849530, 1003990, 1104389, 1699060, 2007980, 2208778, 4417556, 5521945, 11043890, 22087780]

約数ペア:

[(1, 22087780), (2, 11043890), (4, 5521945), (5, 4417556), (10, 2208778), (11, 2007980), (13, 1699060), (20, 1104389), (22, 1003990), (26, 849530), (44, 501995), (52, 424765), (55, 401596), (65, 339812), (110, 200798), (130, 169906), (143, 154460), (220, 100399), (260, 84953), (286, 77230), (572, 38615), (715, 30892), (1430, 15446), (2860, 7723)]