40985200

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1394

約数の個数: 60

約数和(自身を含む): 99790240

約数和(自身を除く): 58805040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1297, 1580, 1975, 2594, 3160, 3950, 5188, 6320, 6485, 7900, 10376, 12970, 15800, 20752, 25940, 31600, 32425, 51880, 64850, 102463, 103760, 129700, 204926, 259400, 409852, 512315, 518800, 819704, 1024630, 1639408, 2049260, 2561575, 4098520, 5123150, 8197040, 10246300, 20492600, 40985200]

約数ペア:

[(1, 40985200), (2, 20492600), (4, 10246300), (5, 8197040), (8, 5123150), (10, 4098520), (16, 2561575), (20, 2049260), (25, 1639408), (40, 1024630), (50, 819704), (79, 518800), (80, 512315), (100, 409852), (158, 259400), (200, 204926), (316, 129700), (395, 103760), (400, 102463), (632, 64850), (790, 51880), (1264, 32425), (1297, 31600), (1580, 25940), (1975, 20752), (2594, 15800), (3160, 12970), (3950, 10376), (5188, 7900), (6320, 6485)]