40625390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 82494720

約数和(自身を除く): 41869330

約数列:

[1, 2, 5, 10, 13, 26, 47, 61, 65, 94, 109, 122, 130, 218, 235, 305, 470, 545, 610, 611, 793, 1090, 1222, 1417, 1586, 2834, 2867, 3055, 3965, 5123, 5734, 6110, 6649, 7085, 7930, 10246, 13298, 14170, 14335, 25615, 28670, 33245, 37271, 51230, 66490, 66599, 74542, 86437, 133198, 172874, 186355, 312503, 332995, 372710, 432185, 625006, 665990, 864370, 1562515, 3125030, 4062539, 8125078, 20312695, 40625390]

約数ペア:

[(1, 40625390), (2, 20312695), (5, 8125078), (10, 4062539), (13, 3125030), (26, 1562515), (47, 864370), (61, 665990), (65, 625006), (94, 432185), (109, 372710), (122, 332995), (130, 312503), (218, 186355), (235, 172874), (305, 133198), (470, 86437), (545, 74542), (610, 66599), (611, 66490), (793, 51230), (1090, 37271), (1222, 33245), (1417, 28670), (1586, 25615), (2834, 14335), (2867, 14170), (3055, 13298), (3965, 10246), (5123, 7930), (5734, 7085), (6110, 6649)]