64228280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51797}}^1$

素因数の和:51839

約数の個数: 32

約数和(自身を含む): 149178240

約数和(自身を除く): 84949960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51797, 103594, 207188, 258985, 414376, 517970, 1035940, 1605707, 2071880, 3211414, 6422828, 8028535, 12845656, 16057070, 32114140, 64228280]

約数ペア:

[(1, 64228280), (2, 32114140), (4, 16057070), (5, 12845656), (8, 8028535), (10, 6422828), (20, 3211414), (31, 2071880), (40, 1605707), (62, 1035940), (124, 517970), (155, 414376), (248, 258985), (310, 207188), (620, 103594), (1240, 51797)]