48991120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 121242240

約数和(自身を除く): 72251120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 193, 304, 334, 380, 386, 668, 760, 772, 835, 965, 1336, 1520, 1544, 1670, 1930, 2672, 3088, 3173, 3340, 3667, 3860, 6346, 6680, 7334, 7720, 12692, 13360, 14668, 15440, 15865, 18335, 25384, 29336, 31730, 32231, 36670, 50768, 58672, 63460, 64462, 73340, 126920, 128924, 146680, 161155, 253840, 257848, 293360, 322310, 515696, 612389, 644620, 1224778, 1289240, 2449556, 2578480, 3061945, 4899112, 6123890, 9798224, 12247780, 24495560, 48991120]

約数ペア:

[(1, 48991120), (2, 24495560), (4, 12247780), (5, 9798224), (8, 6123890), (10, 4899112), (16, 3061945), (19, 2578480), (20, 2449556), (38, 1289240), (40, 1224778), (76, 644620), (80, 612389), (95, 515696), (152, 322310), (167, 293360), (190, 257848), (193, 253840), (304, 161155), (334, 146680), (380, 128924), (386, 126920), (668, 73340), (760, 64462), (772, 63460), (835, 58672), (965, 50768), (1336, 36670), (1520, 32231), (1544, 31730), (1670, 29336), (1930, 25384), (2672, 18335), (3088, 15865), (3173, 15440), (3340, 14668), (3667, 13360), (3860, 12692), (6346, 7720), (6680, 7334)]