20101092700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{291743}}^1$

素因数の和:291823

約数の個数: 72

約数和(自身を含む): 47861186688

約数和(自身を除く): 27760093988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1300, 1325, 1378, 2650, 2756, 3445, 5300, 6890, 13780, 17225, 34450, 68900, 291743, 583486, 1166972, 1458715, 2917430, 3792659, 5834860, 7293575, 7585318, 14587150, 15170636, 15462379, 18963295, 29174300, 30924758, 37926590, 61849516, 75853180, 77311895, 94816475, 154623790, 189632950, 201010927, 309247580, 379265900, 386559475, 402021854, 773118950, 804043708, 1005054635, 1546237900, 2010109270, 4020218540, 5025273175, 10050546350, 20101092700]

約数ペア:

[(1, 20101092700), (2, 10050546350), (4, 5025273175), (5, 4020218540), (10, 2010109270), (13, 1546237900), (20, 1005054635), (25, 804043708), (26, 773118950), (50, 402021854), (52, 386559475), (53, 379265900), (65, 309247580), (100, 201010927), (106, 189632950), (130, 154623790), (212, 94816475), (260, 77311895), (265, 75853180), (325, 61849516), (530, 37926590), (650, 30924758), (689, 29174300), (1060, 18963295), (1300, 15462379), (1325, 15170636), (1378, 14587150), (2650, 7585318), (2756, 7293575), (3445, 5834860), (5300, 3792659), (6890, 2917430), (13780, 1458715), (17225, 1166972), (34450, 583486), (68900, 291743)]