1550478640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2963}}^1$

素因数の和:3218

約数の個数: 80

約数和(自身を含む): 3740046336

約数和(自身を除く): 2189567696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 211, 248, 310, 422, 496, 620, 844, 1055, 1240, 1688, 2110, 2480, 2963, 3376, 4220, 5926, 6541, 8440, 11852, 13082, 14815, 16880, 23704, 26164, 29630, 32705, 47408, 52328, 59260, 65410, 91853, 104656, 118520, 130820, 183706, 237040, 261640, 367412, 459265, 523280, 625193, 734824, 918530, 1250386, 1469648, 1837060, 2500772, 3125965, 3674120, 5001544, 6251930, 7348240, 10003088, 12503860, 19380983, 25007720, 38761966, 50015440, 77523932, 96904915, 155047864, 193809830, 310095728, 387619660, 775239320, 1550478640]

約数ペア:

[(1, 1550478640), (2, 775239320), (4, 387619660), (5, 310095728), (8, 193809830), (10, 155047864), (16, 96904915), (20, 77523932), (31, 50015440), (40, 38761966), (62, 25007720), (80, 19380983), (124, 12503860), (155, 10003088), (211, 7348240), (248, 6251930), (310, 5001544), (422, 3674120), (496, 3125965), (620, 2500772), (844, 1837060), (1055, 1469648), (1240, 1250386), (1688, 918530), (2110, 734824), (2480, 625193), (2963, 523280), (3376, 459265), (4220, 367412), (5926, 261640), (6541, 237040), (8440, 183706), (11852, 130820), (13082, 118520), (14815, 104656), (16880, 91853), (23704, 65410), (26164, 59260), (29630, 52328), (32705, 47408)]