431324920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20231}}^1$

素因数の和:20296

約数の個数: 64

約数和(自身を含む): 1070677440

約数和(自身を除く): 639352520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 20231, 21320, 40462, 80924, 101155, 161848, 202310, 263003, 404620, 526006, 809240, 829471, 1052012, 1315015, 1658942, 2104024, 2630030, 3317884, 4147355, 5260060, 6635768, 8294710, 10520120, 10783123, 16589420, 21566246, 33178840, 43132492, 53915615, 86264984, 107831230, 215662460, 431324920]

約数ペア:

[(1, 431324920), (2, 215662460), (4, 107831230), (5, 86264984), (8, 53915615), (10, 43132492), (13, 33178840), (20, 21566246), (26, 16589420), (40, 10783123), (41, 10520120), (52, 8294710), (65, 6635768), (82, 5260060), (104, 4147355), (130, 3317884), (164, 2630030), (205, 2104024), (260, 1658942), (328, 1315015), (410, 1052012), (520, 829471), (533, 809240), (820, 526006), (1066, 404620), (1640, 263003), (2132, 202310), (2665, 161848), (4264, 101155), (5330, 80924), (10660, 40462), (20231, 21320)]