39201980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 86655744

約数和(自身を除く): 47453764

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1193, 1643, 2386, 3286, 4772, 5965, 6572, 8215, 11930, 16430, 23860, 32860, 36983, 63229, 73966, 126458, 147932, 184915, 252916, 316145, 369830, 632290, 739660, 1264580, 1960099, 3920198, 7840396, 9800495, 19600990, 39201980]

約数ペア:

[(1, 39201980), (2, 19600990), (4, 9800495), (5, 7840396), (10, 3920198), (20, 1960099), (31, 1264580), (53, 739660), (62, 632290), (106, 369830), (124, 316145), (155, 252916), (212, 184915), (265, 147932), (310, 126458), (530, 73966), (620, 63229), (1060, 36983), (1193, 32860), (1643, 23860), (2386, 16430), (3286, 11930), (4772, 8215), (5965, 6572)]