39338260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 90260352

約数和(自身を除く): 50922092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2131, 3692, 4262, 4615, 8524, 9230, 10655, 18460, 21310, 27703, 42620, 55406, 110812, 138515, 151301, 277030, 302602, 554060, 605204, 756505, 1513010, 1966913, 3026020, 3933826, 7867652, 9834565, 19669130, 39338260]

約数ペア:

[(1, 39338260), (2, 19669130), (4, 9834565), (5, 7867652), (10, 3933826), (13, 3026020), (20, 1966913), (26, 1513010), (52, 756505), (65, 605204), (71, 554060), (130, 302602), (142, 277030), (260, 151301), (284, 138515), (355, 110812), (710, 55406), (923, 42620), (1420, 27703), (1846, 21310), (2131, 18460), (3692, 10655), (4262, 9230), (4615, 8524)]