51155780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1303}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 116546304

約数和(自身を除く): 65390524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1303, 1510, 1963, 2606, 3020, 3926, 5212, 6515, 7852, 9815, 13030, 16939, 19630, 26060, 33878, 39260, 67756, 84695, 169390, 196753, 338780, 393506, 787012, 983765, 1967530, 2557789, 3935060, 5115578, 10231156, 12788945, 25577890, 51155780]

約数ペア:

[(1, 51155780), (2, 25577890), (4, 12788945), (5, 10231156), (10, 5115578), (13, 3935060), (20, 2557789), (26, 1967530), (52, 983765), (65, 787012), (130, 393506), (151, 338780), (260, 196753), (302, 169390), (604, 84695), (755, 67756), (1303, 39260), (1510, 33878), (1963, 26060), (2606, 19630), (3020, 16939), (3926, 13030), (5212, 9815), (6515, 7852)]