201640509460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3244939}}^1$

素因数の和:3245200

約数の個数: 48

約数和(自身を含む): 457925932800

約数和(自身を除く): 256285423340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 3107, 4780, 6214, 12428, 15535, 31070, 62140, 3244939, 6489878, 12979756, 16224695, 32449390, 42184207, 64898780, 84368414, 168736828, 210921035, 421842070, 775540421, 843684140, 1551080842, 3102161684, 3877702105, 7755404210, 10082025473, 15510808420, 20164050946, 40328101892, 50410127365, 100820254730, 201640509460]

約数ペア:

[(1, 201640509460), (2, 100820254730), (4, 50410127365), (5, 40328101892), (10, 20164050946), (13, 15510808420), (20, 10082025473), (26, 7755404210), (52, 3877702105), (65, 3102161684), (130, 1551080842), (239, 843684140), (260, 775540421), (478, 421842070), (956, 210921035), (1195, 168736828), (2390, 84368414), (3107, 64898780), (4780, 42184207), (6214, 32449390), (12428, 16224695), (15535, 12979756), (31070, 6489878), (62140, 3244939)]