49940540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 113460480

約数和(自身を除く): 63519940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 479, 802, 958, 1604, 1916, 2005, 2395, 4010, 4790, 5213, 6227, 8020, 9580, 10426, 12454, 20852, 24908, 26065, 31135, 52130, 62270, 104260, 124540, 192079, 384158, 768316, 960395, 1920790, 2497027, 3841580, 4994054, 9988108, 12485135, 24970270, 49940540]

約数ペア:

[(1, 49940540), (2, 24970270), (4, 12485135), (5, 9988108), (10, 4994054), (13, 3841580), (20, 2497027), (26, 1920790), (52, 960395), (65, 768316), (130, 384158), (260, 192079), (401, 124540), (479, 104260), (802, 62270), (958, 52130), (1604, 31135), (1916, 26065), (2005, 24908), (2395, 20852), (4010, 12454), (4790, 10426), (5213, 9580), (6227, 8020)]