4257601280

素因数分解:

$2^8\times 5^1\times {\mathrm{313}}^1\times {\mathrm{10627}}^1$

素因数の和:10961

約数の個数: 72

約数和(自身を含む): 10231830672

約数和(自身を除く): 5974229392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 626, 640, 1252, 1280, 1565, 2504, 3130, 5008, 6260, 10016, 10627, 12520, 20032, 21254, 25040, 40064, 42508, 50080, 53135, 80128, 85016, 100160, 106270, 170032, 200320, 212540, 340064, 400640, 425080, 680128, 850160, 1360256, 1700320, 2720512, 3326251, 3400640, 6652502, 6801280, 13305004, 13602560, 16631255, 26610008, 33262510, 53220016, 66525020, 106440032, 133050040, 212880064, 266100080, 425760128, 532200160, 851520256, 1064400320, 2128800640, 4257601280]

約数ペア:

[(1, 4257601280), (2, 2128800640), (4, 1064400320), (5, 851520256), (8, 532200160), (10, 425760128), (16, 266100080), (20, 212880064), (32, 133050040), (40, 106440032), (64, 66525020), (80, 53220016), (128, 33262510), (160, 26610008), (256, 16631255), (313, 13602560), (320, 13305004), (626, 6801280), (640, 6652502), (1252, 3400640), (1280, 3326251), (1565, 2720512), (2504, 1700320), (3130, 1360256), (5008, 850160), (6260, 680128), (10016, 425080), (10627, 400640), (12520, 340064), (20032, 212540), (21254, 200320), (25040, 170032), (40064, 106270), (42508, 100160), (50080, 85016), (53135, 80128)]