72105904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5683}}^1$

素因数の和:5765

約数の個数: 40

約数和(自身を含む): 152945072

約数和(自身を除く): 80839168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5683, 6344, 11366, 12688, 22732, 45464, 73879, 90928, 147758, 295516, 346663, 591032, 693326, 1182064, 1386652, 2773304, 4506619, 5546608, 9013238, 18026476, 36052952, 72105904]

約数ペア:

[(1, 72105904), (2, 36052952), (4, 18026476), (8, 9013238), (13, 5546608), (16, 4506619), (26, 2773304), (52, 1386652), (61, 1182064), (104, 693326), (122, 591032), (208, 346663), (244, 295516), (488, 147758), (793, 90928), (976, 73879), (1586, 45464), (3172, 22732), (5683, 12688), (6344, 11366)]