40218880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 103790232

約数和(自身を除く): 63571352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2417, 3328, 4160, 4834, 8320, 9668, 12085, 16640, 19336, 24170, 31421, 38672, 48340, 62842, 77344, 96680, 125684, 154688, 157105, 193360, 251368, 309376, 314210, 386720, 502736, 618752, 628420, 773440, 1005472, 1256840, 1546880, 2010944, 2513680, 3093760, 4021888, 5027360, 8043776, 10054720, 20109440, 40218880]

約数ペア:

[(1, 40218880), (2, 20109440), (4, 10054720), (5, 8043776), (8, 5027360), (10, 4021888), (13, 3093760), (16, 2513680), (20, 2010944), (26, 1546880), (32, 1256840), (40, 1005472), (52, 773440), (64, 628420), (65, 618752), (80, 502736), (104, 386720), (128, 314210), (130, 309376), (160, 251368), (208, 193360), (256, 157105), (260, 154688), (320, 125684), (416, 96680), (520, 77344), (640, 62842), (832, 48340), (1040, 38672), (1280, 31421), (1664, 24170), (2080, 19336), (2417, 16640), (3328, 12085), (4160, 9668), (4834, 8320)]