38103640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 52616360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 499, 664, 830, 920, 998, 1660, 1909, 1996, 2495, 3320, 3818, 3992, 4990, 7636, 9545, 9980, 11477, 15272, 19090, 19960, 22954, 38180, 41417, 45908, 57385, 76360, 82834, 91816, 114770, 165668, 207085, 229540, 331336, 414170, 459080, 828340, 952591, 1656680, 1905182, 3810364, 4762955, 7620728, 9525910, 19051820, 38103640]

約数ペア:

[(1, 38103640), (2, 19051820), (4, 9525910), (5, 7620728), (8, 4762955), (10, 3810364), (20, 1905182), (23, 1656680), (40, 952591), (46, 828340), (83, 459080), (92, 414170), (115, 331336), (166, 229540), (184, 207085), (230, 165668), (332, 114770), (415, 91816), (460, 82834), (499, 76360), (664, 57385), (830, 45908), (920, 41417), (998, 38180), (1660, 22954), (1909, 19960), (1996, 19090), (2495, 15272), (3320, 11477), (3818, 9980), (3992, 9545), (4990, 7636)]