1567998640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{28447}}^1$

素因数の和:28526

約数の個数: 80

約数和(自身を含む): 4000243968

約数和(自身を除く): 2432245328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 4240, 5512, 6890, 11024, 13780, 27560, 28447, 55120, 56894, 113788, 142235, 227576, 284470, 369811, 455152, 568940, 739622, 1137880, 1479244, 1507691, 1849055, 2275760, 2958488, 3015382, 3698110, 5916976, 6030764, 7396220, 7538455, 12061528, 14792440, 15076910, 19599983, 24123056, 29584880, 30153820, 39199966, 60307640, 78399932, 97999915, 120615280, 156799864, 195999830, 313599728, 391999660, 783999320, 1567998640]

約数ペア:

[(1, 1567998640), (2, 783999320), (4, 391999660), (5, 313599728), (8, 195999830), (10, 156799864), (13, 120615280), (16, 97999915), (20, 78399932), (26, 60307640), (40, 39199966), (52, 30153820), (53, 29584880), (65, 24123056), (80, 19599983), (104, 15076910), (106, 14792440), (130, 12061528), (208, 7538455), (212, 7396220), (260, 6030764), (265, 5916976), (424, 3698110), (520, 3015382), (530, 2958488), (689, 2275760), (848, 1849055), (1040, 1507691), (1060, 1479244), (1378, 1137880), (2120, 739622), (2756, 568940), (3445, 455152), (4240, 369811), (5512, 284470), (6890, 227576), (11024, 142235), (13780, 113788), (27560, 56894), (28447, 55120)]