13378640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 35462016

約数和(自身を除く): 22083376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 661, 880, 920, 1012, 1265, 1322, 1840, 2024, 2530, 2644, 3305, 4048, 5060, 5288, 6610, 7271, 10120, 10576, 13220, 14542, 15203, 20240, 26440, 29084, 30406, 36355, 52880, 58168, 60812, 72710, 76015, 116336, 121624, 145420, 152030, 167233, 243248, 290840, 304060, 334466, 581680, 608120, 668932, 836165, 1216240, 1337864, 1672330, 2675728, 3344660, 6689320, 13378640]

約数ペア:

[(1, 13378640), (2, 6689320), (4, 3344660), (5, 2675728), (8, 1672330), (10, 1337864), (11, 1216240), (16, 836165), (20, 668932), (22, 608120), (23, 581680), (40, 334466), (44, 304060), (46, 290840), (55, 243248), (80, 167233), (88, 152030), (92, 145420), (110, 121624), (115, 116336), (176, 76015), (184, 72710), (220, 60812), (230, 58168), (253, 52880), (368, 36355), (440, 30406), (460, 29084), (506, 26440), (661, 20240), (880, 15203), (920, 14542), (1012, 13220), (1265, 10576), (1322, 10120), (1840, 7271), (2024, 6610), (2530, 5288), (2644, 5060), (3305, 4048)]