80844088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 173577600

約数和(自身を除く): 92733512

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 163, 247, 251, 326, 494, 502, 652, 988, 1004, 1304, 1976, 2008, 2119, 3097, 3263, 4238, 4769, 6194, 6526, 8476, 9538, 12388, 13052, 16952, 19076, 24776, 26104, 38152, 40261, 40913, 61997, 80522, 81826, 123994, 161044, 163652, 247988, 322088, 327304, 495976, 531869, 777347, 1063738, 1554694, 2127476, 3109388, 4254952, 6218776, 10105511, 20211022, 40422044, 80844088]

約数ペア:

[(1, 80844088), (2, 40422044), (4, 20211022), (8, 10105511), (13, 6218776), (19, 4254952), (26, 3109388), (38, 2127476), (52, 1554694), (76, 1063738), (104, 777347), (152, 531869), (163, 495976), (247, 327304), (251, 322088), (326, 247988), (494, 163652), (502, 161044), (652, 123994), (988, 81826), (1004, 80522), (1304, 61997), (1976, 40913), (2008, 40261), (2119, 38152), (3097, 26104), (3263, 24776), (4238, 19076), (4769, 16952), (6194, 13052), (6526, 12388), (8476, 9538)]