16227880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 23170520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 569, 620, 713, 920, 1138, 1240, 1426, 2276, 2845, 2852, 3565, 4552, 5690, 5704, 7130, 11380, 13087, 14260, 17639, 22760, 26174, 28520, 35278, 52348, 65435, 70556, 88195, 104696, 130870, 141112, 176390, 261740, 352780, 405697, 523480, 705560, 811394, 1622788, 2028485, 3245576, 4056970, 8113940, 16227880]

約数ペア:

[(1, 16227880), (2, 8113940), (4, 4056970), (5, 3245576), (8, 2028485), (10, 1622788), (20, 811394), (23, 705560), (31, 523480), (40, 405697), (46, 352780), (62, 261740), (92, 176390), (115, 141112), (124, 130870), (155, 104696), (184, 88195), (230, 70556), (248, 65435), (310, 52348), (460, 35278), (569, 28520), (620, 26174), (713, 22760), (920, 17639), (1138, 14260), (1240, 13087), (1426, 11380), (2276, 7130), (2845, 5704), (2852, 5690), (3565, 4552)]