39937660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 101928960

約数和(自身を除く): 61991300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 79, 92, 115, 140, 157, 158, 161, 230, 314, 316, 322, 395, 460, 553, 628, 644, 785, 790, 805, 1099, 1106, 1570, 1580, 1610, 1817, 2198, 2212, 2765, 3140, 3220, 3611, 3634, 4396, 5495, 5530, 7222, 7268, 9085, 10990, 11060, 12403, 12719, 14444, 18055, 18170, 21980, 24806, 25277, 25438, 36110, 36340, 49612, 50554, 50876, 62015, 63595, 72220, 86821, 101108, 124030, 126385, 127190, 173642, 248060, 252770, 254380, 285269, 347284, 434105, 505540, 570538, 868210, 1141076, 1426345, 1736420, 1996883, 2852690, 3993766, 5705380, 7987532, 9984415, 19968830, 39937660]

約数ペア:

[(1, 39937660), (2, 19968830), (4, 9984415), (5, 7987532), (7, 5705380), (10, 3993766), (14, 2852690), (20, 1996883), (23, 1736420), (28, 1426345), (35, 1141076), (46, 868210), (70, 570538), (79, 505540), (92, 434105), (115, 347284), (140, 285269), (157, 254380), (158, 252770), (161, 248060), (230, 173642), (314, 127190), (316, 126385), (322, 124030), (395, 101108), (460, 86821), (553, 72220), (628, 63595), (644, 62015), (785, 50876), (790, 50554), (805, 49612), (1099, 36340), (1106, 36110), (1570, 25438), (1580, 25277), (1610, 24806), (1817, 21980), (2198, 18170), (2212, 18055), (2765, 14444), (3140, 12719), (3220, 12403), (3611, 11060), (3634, 10990), (4396, 9085), (5495, 7268), (5530, 7222)]