40304030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 82349568

約数和(自身を除く): 42045538

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 137, 146, 155, 274, 310, 365, 403, 685, 730, 806, 949, 1370, 1781, 1898, 2015, 2263, 3562, 4030, 4247, 4526, 4745, 8494, 8905, 9490, 10001, 11315, 17810, 20002, 21235, 22630, 29419, 42470, 50005, 55211, 58838, 100010, 110422, 130013, 147095, 260026, 276055, 294190, 310031, 552110, 620062, 650065, 1300130, 1550155, 3100310, 4030403, 8060806, 20152015, 40304030]

約数ペア:

[(1, 40304030), (2, 20152015), (5, 8060806), (10, 4030403), (13, 3100310), (26, 1550155), (31, 1300130), (62, 650065), (65, 620062), (73, 552110), (130, 310031), (137, 294190), (146, 276055), (155, 260026), (274, 147095), (310, 130013), (365, 110422), (403, 100010), (685, 58838), (730, 55211), (806, 50005), (949, 42470), (1370, 29419), (1781, 22630), (1898, 21235), (2015, 20002), (2263, 17810), (3562, 11315), (4030, 10001), (4247, 9490), (4526, 8905), (4745, 8494)]