39878440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 104002560

約数和(自身を除く): 64124120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1951, 2044, 2555, 2920, 3902, 4088, 5110, 7804, 9755, 10220, 13657, 15608, 19510, 20440, 27314, 39020, 54628, 68285, 78040, 109256, 136570, 142423, 273140, 284846, 546280, 569692, 712115, 996961, 1139384, 1424230, 1993922, 2848460, 3987844, 4984805, 5696920, 7975688, 9969610, 19939220, 39878440]

約数ペア:

[(1, 39878440), (2, 19939220), (4, 9969610), (5, 7975688), (7, 5696920), (8, 4984805), (10, 3987844), (14, 2848460), (20, 1993922), (28, 1424230), (35, 1139384), (40, 996961), (56, 712115), (70, 569692), (73, 546280), (140, 284846), (146, 273140), (280, 142423), (292, 136570), (365, 109256), (511, 78040), (584, 68285), (730, 54628), (1022, 39020), (1460, 27314), (1951, 20440), (2044, 19510), (2555, 15608), (2920, 13657), (3902, 10220), (4088, 9755), (5110, 7804)]