2638970480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{3049}}^1$

素因数の和:3442

約数の個数: 80

約数和(自身を含む): 6353760000

約数和(自身を除く): 3714789520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 349, 496, 620, 698, 1240, 1396, 1745, 2480, 2792, 3049, 3490, 5584, 6098, 6980, 10819, 12196, 13960, 15245, 21638, 24392, 27920, 30490, 43276, 48784, 54095, 60980, 86552, 94519, 108190, 121960, 173104, 189038, 216380, 243920, 378076, 432760, 472595, 756152, 865520, 945190, 1064101, 1512304, 1890380, 2128202, 3780760, 4256404, 5320505, 7561520, 8512808, 10641010, 17025616, 21282020, 32987131, 42564040, 65974262, 85128080, 131948524, 164935655, 263897048, 329871310, 527794096, 659742620, 1319485240, 2638970480]

約数ペア:

[(1, 2638970480), (2, 1319485240), (4, 659742620), (5, 527794096), (8, 329871310), (10, 263897048), (16, 164935655), (20, 131948524), (31, 85128080), (40, 65974262), (62, 42564040), (80, 32987131), (124, 21282020), (155, 17025616), (248, 10641010), (310, 8512808), (349, 7561520), (496, 5320505), (620, 4256404), (698, 3780760), (1240, 2128202), (1396, 1890380), (1745, 1512304), (2480, 1064101), (2792, 945190), (3049, 865520), (3490, 756152), (5584, 472595), (6098, 432760), (6980, 378076), (10819, 243920), (12196, 216380), (13960, 189038), (15245, 173104), (21638, 121960), (24392, 108190), (27920, 94519), (30490, 86552), (43276, 60980), (48784, 54095)]