19850640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 62192448

約数和(自身を除く): 42341808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 773, 856, 1070, 1284, 1546, 1605, 1712, 2140, 2319, 2568, 3092, 3210, 3865, 4280, 4638, 5136, 6184, 6420, 7730, 8560, 9276, 11595, 12368, 12840, 15460, 18552, 23190, 25680, 30920, 37104, 46380, 61840, 82711, 92760, 165422, 185520, 248133, 330844, 413555, 496266, 661688, 827110, 992532, 1240665, 1323376, 1654220, 1985064, 2481330, 3308440, 3970128, 4962660, 6616880, 9925320, 19850640]

約数ペア:

[(1, 19850640), (2, 9925320), (3, 6616880), (4, 4962660), (5, 3970128), (6, 3308440), (8, 2481330), (10, 1985064), (12, 1654220), (15, 1323376), (16, 1240665), (20, 992532), (24, 827110), (30, 661688), (40, 496266), (48, 413555), (60, 330844), (80, 248133), (107, 185520), (120, 165422), (214, 92760), (240, 82711), (321, 61840), (428, 46380), (535, 37104), (642, 30920), (773, 25680), (856, 23190), (1070, 18552), (1284, 15460), (1546, 12840), (1605, 12368), (1712, 11595), (2140, 9276), (2319, 8560), (2568, 7730), (3092, 6420), (3210, 6184), (3865, 5136), (4280, 4638)]