2903680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 7497000

約数和(自身を除く): 4593320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 349, 416, 520, 640, 698, 832, 1040, 1396, 1664, 1745, 2080, 2792, 3490, 4160, 4537, 5584, 6980, 8320, 9074, 11168, 13960, 18148, 22336, 22685, 27920, 36296, 44672, 45370, 55840, 72592, 90740, 111680, 145184, 181480, 223360, 290368, 362960, 580736, 725920, 1451840, 2903680]

約数ペア:

[(1, 2903680), (2, 1451840), (4, 725920), (5, 580736), (8, 362960), (10, 290368), (13, 223360), (16, 181480), (20, 145184), (26, 111680), (32, 90740), (40, 72592), (52, 55840), (64, 45370), (65, 44672), (80, 36296), (104, 27920), (128, 22685), (130, 22336), (160, 18148), (208, 13960), (260, 11168), (320, 9074), (349, 8320), (416, 6980), (520, 5584), (640, 4537), (698, 4160), (832, 3490), (1040, 2792), (1396, 2080), (1664, 1745)]