201655220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18917}}^1$

素因数の和:18980

約数の個数: 48

約数和(自身を含む): 467198928

約数和(自身を除く): 265543708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 18917, 37834, 75668, 94585, 189170, 245921, 378340, 491842, 775597, 983684, 1229605, 1551194, 2459210, 3102388, 3877985, 4918420, 7755970, 10082761, 15511940, 20165522, 40331044, 50413805, 100827610, 201655220]

約数ペア:

[(1, 201655220), (2, 100827610), (4, 50413805), (5, 40331044), (10, 20165522), (13, 15511940), (20, 10082761), (26, 7755970), (41, 4918420), (52, 3877985), (65, 3102388), (82, 2459210), (130, 1551194), (164, 1229605), (205, 983684), (260, 775597), (410, 491842), (533, 378340), (820, 245921), (1066, 189170), (2132, 94585), (2665, 75668), (5330, 37834), (10660, 18917)]