1393196080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4166

約数の個数: 80

約数和(自身を含む): 3339482688

約数和(自身を除く): 1946286608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 976, 1136, 1220, 1420, 2440, 2840, 4021, 4331, 4880, 5680, 8042, 8662, 16084, 17324, 20105, 21655, 32168, 34648, 40210, 43310, 64336, 69296, 80420, 86620, 160840, 173240, 245281, 285491, 321680, 346480, 490562, 570982, 981124, 1141964, 1226405, 1427455, 1962248, 2283928, 2452810, 2854910, 3924496, 4567856, 4905620, 5709820, 9811240, 11419640, 17414951, 19622480, 22839280, 34829902, 69659804, 87074755, 139319608, 174149510, 278639216, 348299020, 696598040, 1393196080]

約数ペア:

[(1, 1393196080), (2, 696598040), (4, 348299020), (5, 278639216), (8, 174149510), (10, 139319608), (16, 87074755), (20, 69659804), (40, 34829902), (61, 22839280), (71, 19622480), (80, 17414951), (122, 11419640), (142, 9811240), (244, 5709820), (284, 4905620), (305, 4567856), (355, 3924496), (488, 2854910), (568, 2452810), (610, 2283928), (710, 1962248), (976, 1427455), (1136, 1226405), (1220, 1141964), (1420, 981124), (2440, 570982), (2840, 490562), (4021, 346480), (4331, 321680), (4880, 285491), (5680, 245281), (8042, 173240), (8662, 160840), (16084, 86620), (17324, 80420), (20105, 69296), (21655, 64336), (32168, 43310), (34648, 40210)]