81423750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{21713}}^1$

素因数の和:21738

約数の個数: 40

約数和(自身を含む): 203503608

約数和(自身を除く): 122079858

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 21713, 43426, 65139, 108565, 130278, 217130, 325695, 542825, 651390, 1085650, 1628475, 2714125, 3256950, 5428250, 8142375, 13570625, 16284750, 27141250, 40711875, 81423750]

約数ペア:

[(1, 81423750), (2, 40711875), (3, 27141250), (5, 16284750), (6, 13570625), (10, 8142375), (15, 5428250), (25, 3256950), (30, 2714125), (50, 1628475), (75, 1085650), (125, 651390), (150, 542825), (250, 325695), (375, 217130), (625, 130278), (750, 108565), (1250, 65139), (1875, 43426), (3750, 21713)]