18829125440

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{744823}}^1$

素因数の和:744919

約数の個数: 56

約数和(自身を含む): 45404471040

約数和(自身を除く): 26575345600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 12640, 25280, 744823, 1489646, 2979292, 3724115, 5958584, 7448230, 11917168, 14896460, 23834336, 29792920, 47668672, 58841017, 59585840, 117682034, 119171680, 235364068, 238343360, 294205085, 470728136, 588410170, 941456272, 1176820340, 1882912544, 2353640680, 3765825088, 4707281360, 9414562720, 18829125440]

約数ペア:

[(1, 18829125440), (2, 9414562720), (4, 4707281360), (5, 3765825088), (8, 2353640680), (10, 1882912544), (16, 1176820340), (20, 941456272), (32, 588410170), (40, 470728136), (64, 294205085), (79, 238343360), (80, 235364068), (158, 119171680), (160, 117682034), (316, 59585840), (320, 58841017), (395, 47668672), (632, 29792920), (790, 23834336), (1264, 14896460), (1580, 11917168), (2528, 7448230), (3160, 5958584), (5056, 3724115), (6320, 2979292), (12640, 1489646), (25280, 744823)]