16812040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 26935160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 619, 679, 776, 970, 1238, 1358, 1940, 2476, 2716, 3095, 3395, 3880, 4333, 4952, 5432, 6190, 6790, 8666, 12380, 13580, 17332, 21665, 24760, 27160, 34664, 43330, 60043, 86660, 120086, 173320, 240172, 300215, 420301, 480344, 600430, 840602, 1200860, 1681204, 2101505, 2401720, 3362408, 4203010, 8406020, 16812040]

約数ペア:

[(1, 16812040), (2, 8406020), (4, 4203010), (5, 3362408), (7, 2401720), (8, 2101505), (10, 1681204), (14, 1200860), (20, 840602), (28, 600430), (35, 480344), (40, 420301), (56, 300215), (70, 240172), (97, 173320), (140, 120086), (194, 86660), (280, 60043), (388, 43330), (485, 34664), (619, 27160), (679, 24760), (776, 21665), (970, 17332), (1238, 13580), (1358, 12380), (1940, 8666), (2476, 6790), (2716, 6190), (3095, 5432), (3395, 4952), (3880, 4333)]