40109988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 101388672

約数和(自身を除く): 61278684

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 188, 197, 228, 282, 361, 394, 564, 591, 722, 788, 893, 1083, 1182, 1444, 1786, 2166, 2364, 2679, 3572, 3743, 4332, 5358, 7486, 9259, 10716, 11229, 14972, 16967, 18518, 22458, 27777, 33934, 37036, 44916, 50901, 55554, 67868, 71117, 101802, 111108, 142234, 175921, 203604, 213351, 284468, 351842, 426702, 527763, 703684, 853404, 1055526, 2111052, 3342499, 6684998, 10027497, 13369996, 20054994, 40109988]

約数ペア:

[(1, 40109988), (2, 20054994), (3, 13369996), (4, 10027497), (6, 6684998), (12, 3342499), (19, 2111052), (38, 1055526), (47, 853404), (57, 703684), (76, 527763), (94, 426702), (114, 351842), (141, 284468), (188, 213351), (197, 203604), (228, 175921), (282, 142234), (361, 111108), (394, 101802), (564, 71117), (591, 67868), (722, 55554), (788, 50901), (893, 44916), (1083, 37036), (1182, 33934), (1444, 27777), (1786, 22458), (2166, 18518), (2364, 16967), (2679, 14972), (3572, 11229), (3743, 10716), (4332, 9259), (5358, 7486)]