83504980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 189559440

約数和(自身を除く): 106054460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 794, 809, 1588, 1618, 1985, 3236, 3970, 4045, 5161, 7940, 8090, 10322, 10517, 16180, 20644, 21034, 25805, 42068, 51610, 52585, 103220, 105170, 210340, 321173, 642346, 1284692, 1605865, 3211730, 4175249, 6423460, 8350498, 16700996, 20876245, 41752490, 83504980]

約数ペア:

[(1, 83504980), (2, 41752490), (4, 20876245), (5, 16700996), (10, 8350498), (13, 6423460), (20, 4175249), (26, 3211730), (52, 1605865), (65, 1284692), (130, 642346), (260, 321173), (397, 210340), (794, 105170), (809, 103220), (1588, 52585), (1618, 51610), (1985, 42068), (3236, 25805), (3970, 21034), (4045, 20644), (5161, 16180), (7940, 10517), (8090, 10322)]