40979800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 96868800

約数和(自身を除く): 55889000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 3359, 6100, 6718, 12200, 13436, 16795, 26872, 33590, 67180, 83975, 134360, 167950, 204899, 335900, 409798, 671800, 819596, 1024495, 1639192, 2048990, 4097980, 5122475, 8195960, 10244950, 20489900, 40979800]

約数ペア:

[(1, 40979800), (2, 20489900), (4, 10244950), (5, 8195960), (8, 5122475), (10, 4097980), (20, 2048990), (25, 1639192), (40, 1024495), (50, 819596), (61, 671800), (100, 409798), (122, 335900), (200, 204899), (244, 167950), (305, 134360), (488, 83975), (610, 67180), (1220, 33590), (1525, 26872), (2440, 16795), (3050, 13436), (3359, 12200), (6100, 6718)]