26380120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 64703520

約数和(自身を除く): 38323400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 523, 776, 970, 1046, 1261, 1940, 2092, 2522, 2615, 3880, 4184, 5044, 5230, 6305, 6799, 10088, 10460, 12610, 13598, 20920, 25220, 27196, 33995, 50440, 50731, 54392, 67990, 101462, 135980, 202924, 253655, 271960, 405848, 507310, 659503, 1014620, 1319006, 2029240, 2638012, 3297515, 5276024, 6595030, 13190060, 26380120]

約数ペア:

[(1, 26380120), (2, 13190060), (4, 6595030), (5, 5276024), (8, 3297515), (10, 2638012), (13, 2029240), (20, 1319006), (26, 1014620), (40, 659503), (52, 507310), (65, 405848), (97, 271960), (104, 253655), (130, 202924), (194, 135980), (260, 101462), (388, 67990), (485, 54392), (520, 50731), (523, 50440), (776, 33995), (970, 27196), (1046, 25220), (1261, 20920), (1940, 13598), (2092, 12610), (2522, 10460), (2615, 10088), (3880, 6799), (4184, 6305), (5044, 5230)]