201553820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1523}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 457017120

約数和(自身を除く): 255463300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 509, 1018, 1523, 2036, 2545, 3046, 5090, 6092, 6617, 7615, 10180, 13234, 15230, 19799, 26468, 30460, 33085, 39598, 66170, 79196, 98995, 132340, 197990, 395980, 775207, 1550414, 3100828, 3876035, 7752070, 10077691, 15504140, 20155382, 40310764, 50388455, 100776910, 201553820]

約数ペア:

[(1, 201553820), (2, 100776910), (4, 50388455), (5, 40310764), (10, 20155382), (13, 15504140), (20, 10077691), (26, 7752070), (52, 3876035), (65, 3100828), (130, 1550414), (260, 775207), (509, 395980), (1018, 197990), (1523, 132340), (2036, 98995), (2545, 79196), (3046, 66170), (5090, 39598), (6092, 33085), (6617, 30460), (7615, 26468), (10180, 19799), (13234, 15230)]