12561699100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{6263}}^1$

素因数の和:6955

約数の個数: 72

約数和(自身を含む): 28186195968

約数和(自身を除く): 15624496868

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 647, 775, 1294, 1550, 2588, 3100, 3235, 6263, 6470, 12526, 12940, 16175, 20057, 25052, 31315, 32350, 40114, 62630, 64700, 80228, 100285, 125260, 156575, 194153, 200570, 313150, 388306, 401140, 501425, 626300, 776612, 970765, 1002850, 1941530, 2005700, 3883060, 4052161, 4853825, 8104322, 9707650, 16208644, 19415300, 20260805, 40521610, 81043220, 101304025, 125616991, 202608050, 251233982, 405216100, 502467964, 628084955, 1256169910, 2512339820, 3140424775, 6280849550, 12561699100]

約数ペア:

[(1, 12561699100), (2, 6280849550), (4, 3140424775), (5, 2512339820), (10, 1256169910), (20, 628084955), (25, 502467964), (31, 405216100), (50, 251233982), (62, 202608050), (100, 125616991), (124, 101304025), (155, 81043220), (310, 40521610), (620, 20260805), (647, 19415300), (775, 16208644), (1294, 9707650), (1550, 8104322), (2588, 4853825), (3100, 4052161), (3235, 3883060), (6263, 2005700), (6470, 1941530), (12526, 1002850), (12940, 970765), (16175, 776612), (20057, 626300), (25052, 501425), (31315, 401140), (32350, 388306), (40114, 313150), (62630, 200570), (64700, 194153), (80228, 156575), (100285, 125260)]