77050625

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 102267264

約数和(自身を除く): 25216639

約数列:

[1, 5, 25, 43, 47, 61, 125, 215, 235, 305, 625, 1075, 1175, 1525, 2021, 2623, 2867, 5375, 5875, 7625, 10105, 13115, 14335, 26875, 29375, 38125, 50525, 65575, 71675, 123281, 252625, 327875, 358375, 616405, 1263125, 1639375, 1791875, 3082025, 15410125, 77050625]

約数ペア:

[(1, 77050625), (5, 15410125), (25, 3082025), (43, 1791875), (47, 1639375), (61, 1263125), (125, 616405), (215, 358375), (235, 327875), (305, 252625), (625, 123281), (1075, 71675), (1175, 65575), (1525, 50525), (2021, 38125), (2623, 29375), (2867, 26875), (5375, 14335), (5875, 13115), (7625, 10105)]