40000506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 100160256

約数和(自身を除く): 60159750

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 793, 854, 1201, 1281, 1586, 2379, 2402, 2562, 3603, 4758, 5551, 7206, 8407, 11102, 15613, 16653, 16814, 25221, 31226, 33306, 46839, 50442, 73261, 93678, 109291, 146522, 218582, 219783, 327873, 439566, 512827, 655746, 952393, 1025654, 1538481, 1904786, 2857179, 3076962, 5714358, 6666751, 13333502, 20000253, 40000506]

約数ペア:

[(1, 40000506), (2, 20000253), (3, 13333502), (6, 6666751), (7, 5714358), (13, 3076962), (14, 2857179), (21, 1904786), (26, 1538481), (39, 1025654), (42, 952393), (61, 655746), (78, 512827), (91, 439566), (122, 327873), (182, 219783), (183, 218582), (273, 146522), (366, 109291), (427, 93678), (546, 73261), (793, 50442), (854, 46839), (1201, 33306), (1281, 31226), (1586, 25221), (2379, 16814), (2402, 16653), (2562, 15613), (3603, 11102), (4758, 8407), (5551, 7206)]