38956289060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{487}}^1\times {\mathrm{857}}^1$

素因数の和:1725

約数の個数: 96

約数和(自身を含む): 88631262720

約数和(自身を除く): 49674973660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 487, 718, 857, 974, 1436, 1714, 1795, 1948, 2435, 3428, 3590, 4285, 4667, 4870, 6331, 7180, 8570, 9334, 9740, 11141, 12662, 17140, 18668, 22282, 23335, 25324, 31655, 44564, 46670, 55705, 63310, 93340, 111410, 126620, 174833, 222820, 307663, 349666, 417359, 615326, 699332, 834718, 874165, 1230652, 1538315, 1669436, 1748330, 2086795, 2272829, 3076630, 3496660, 3999619, 4173590, 4545658, 5425667, 6153260, 7999238, 8347180, 9091316, 10851334, 11364145, 15998476, 19998095, 21702668, 22728290, 27128335, 39996190, 45456580, 54256670, 79992380, 108513340, 149831881, 299663762, 599327524, 749159405, 1498318810, 1947814453, 2996637620, 3895628906, 7791257812, 9739072265, 19478144530, 38956289060]

約数ペア:

[(1, 38956289060), (2, 19478144530), (4, 9739072265), (5, 7791257812), (10, 3895628906), (13, 2996637620), (20, 1947814453), (26, 1498318810), (52, 749159405), (65, 599327524), (130, 299663762), (260, 149831881), (359, 108513340), (487, 79992380), (718, 54256670), (857, 45456580), (974, 39996190), (1436, 27128335), (1714, 22728290), (1795, 21702668), (1948, 19998095), (2435, 15998476), (3428, 11364145), (3590, 10851334), (4285, 9091316), (4667, 8347180), (4870, 7999238), (6331, 6153260), (7180, 5425667), (8570, 4545658), (9334, 4173590), (9740, 3999619), (11141, 3496660), (12662, 3076630), (17140, 2272829), (18668, 2086795), (22282, 1748330), (23335, 1669436), (25324, 1538315), (31655, 1230652), (44564, 874165), (46670, 834718), (55705, 699332), (63310, 615326), (93340, 417359), (111410, 349666), (126620, 307663), (174833, 222820)]