27665560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 67949280

約数和(自身を除く): 40283720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 641, 664, 830, 1079, 1282, 1660, 2158, 2564, 3205, 3320, 4316, 5128, 5395, 6410, 8333, 8632, 10790, 12820, 16666, 21580, 25640, 33332, 41665, 43160, 53203, 66664, 83330, 106406, 166660, 212812, 266015, 333320, 425624, 532030, 691639, 1064060, 1383278, 2128120, 2766556, 3458195, 5533112, 6916390, 13832780, 27665560]

約数ペア:

[(1, 27665560), (2, 13832780), (4, 6916390), (5, 5533112), (8, 3458195), (10, 2766556), (13, 2128120), (20, 1383278), (26, 1064060), (40, 691639), (52, 532030), (65, 425624), (83, 333320), (104, 266015), (130, 212812), (166, 166660), (260, 106406), (332, 83330), (415, 66664), (520, 53203), (641, 43160), (664, 41665), (830, 33332), (1079, 25640), (1282, 21580), (1660, 16666), (2158, 12820), (2564, 10790), (3205, 8632), (3320, 8333), (4316, 6410), (5128, 5395)]