40001688

素因数分解:

$2^3\times 3^6\times {\mathrm{19}}^3$

素因数の和:81

約数の個数: 112

約数和(自身を含む): 118699800

約数和(自身を除く): 78698112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 361, 456, 486, 513, 648, 684, 722, 729, 972, 1026, 1083, 1368, 1444, 1458, 1539, 1944, 2052, 2166, 2888, 2916, 3078, 3249, 4104, 4332, 4617, 5832, 6156, 6498, 6859, 8664, 9234, 9747, 12312, 12996, 13718, 13851, 18468, 19494, 20577, 25992, 27436, 27702, 29241, 36936, 38988, 41154, 54872, 55404, 58482, 61731, 77976, 82308, 87723, 110808, 116964, 123462, 164616, 175446, 185193, 233928, 246924, 263169, 350892, 370386, 493848, 526338, 555579, 701784, 740772, 1052676, 1111158, 1481544, 1666737, 2105352, 2222316, 3333474, 4444632, 5000211, 6666948, 10000422, 13333896, 20000844, 40001688]

約数ペア:

[(1, 40001688), (2, 20000844), (3, 13333896), (4, 10000422), (6, 6666948), (8, 5000211), (9, 4444632), (12, 3333474), (18, 2222316), (19, 2105352), (24, 1666737), (27, 1481544), (36, 1111158), (38, 1052676), (54, 740772), (57, 701784), (72, 555579), (76, 526338), (81, 493848), (108, 370386), (114, 350892), (152, 263169), (162, 246924), (171, 233928), (216, 185193), (228, 175446), (243, 164616), (324, 123462), (342, 116964), (361, 110808), (456, 87723), (486, 82308), (513, 77976), (648, 61731), (684, 58482), (722, 55404), (729, 54872), (972, 41154), (1026, 38988), (1083, 36936), (1368, 29241), (1444, 27702), (1458, 27436), (1539, 25992), (1944, 20577), (2052, 19494), (2166, 18468), (2888, 13851), (2916, 13718), (3078, 12996), (3249, 12312), (4104, 9747), (4332, 9234), (4617, 8664), (5832, 6859), (6156, 6498)]