40981325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 64579200

約数和(自身を除く): 23597875

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 175, 275, 305, 349, 385, 427, 671, 1525, 1745, 1925, 2135, 2443, 3355, 3839, 4697, 8725, 10675, 12215, 16775, 19195, 21289, 23485, 26873, 61075, 95975, 106445, 117425, 134365, 149023, 234179, 532225, 671825, 745115, 1170895, 1639253, 3725575, 5854475, 8196265, 40981325]

約数ペア:

[(1, 40981325), (5, 8196265), (7, 5854475), (11, 3725575), (25, 1639253), (35, 1170895), (55, 745115), (61, 671825), (77, 532225), (175, 234179), (275, 149023), (305, 134365), (349, 117425), (385, 106445), (427, 95975), (671, 61075), (1525, 26873), (1745, 23485), (1925, 21289), (2135, 19195), (2443, 16775), (3355, 12215), (3839, 10675), (4697, 8725)]