65357500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2048

約数の個数: 60

約数和(自身を含む): 153994456

約数和(自身を除く): 88636956

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2011, 2500, 3250, 4022, 6500, 8044, 8125, 10055, 16250, 20110, 26143, 32500, 40220, 50275, 52286, 100550, 104572, 130715, 201100, 251375, 261430, 502750, 522860, 653575, 1005500, 1256875, 1307150, 2513750, 2614300, 3267875, 5027500, 6535750, 13071500, 16339375, 32678750, 65357500]

約数ペア:

[(1, 65357500), (2, 32678750), (4, 16339375), (5, 13071500), (10, 6535750), (13, 5027500), (20, 3267875), (25, 2614300), (26, 2513750), (50, 1307150), (52, 1256875), (65, 1005500), (100, 653575), (125, 522860), (130, 502750), (250, 261430), (260, 251375), (325, 201100), (500, 130715), (625, 104572), (650, 100550), (1250, 52286), (1300, 50275), (1625, 40220), (2011, 32500), (2500, 26143), (3250, 20110), (4022, 16250), (6500, 10055), (8044, 8125)]