201989440

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1907}}^1$

素因数の和:2255

約数の個数: 56

約数和(自身を含む): 482693472

約数和(自身を除く): 280704032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 1324, 1655, 1907, 2648, 3310, 3814, 5296, 6620, 7628, 9535, 10592, 13240, 15256, 19070, 21184, 26480, 30512, 38140, 52960, 61024, 76280, 105920, 122048, 152560, 305120, 610240, 631217, 1262434, 2524868, 3156085, 5049736, 6312170, 10099472, 12624340, 20198944, 25248680, 40397888, 50497360, 100994720, 201989440]

約数ペア:

[(1, 201989440), (2, 100994720), (4, 50497360), (5, 40397888), (8, 25248680), (10, 20198944), (16, 12624340), (20, 10099472), (32, 6312170), (40, 5049736), (64, 3156085), (80, 2524868), (160, 1262434), (320, 631217), (331, 610240), (662, 305120), (1324, 152560), (1655, 122048), (1907, 105920), (2648, 76280), (3310, 61024), (3814, 52960), (5296, 38140), (6620, 30512), (7628, 26480), (9535, 21184), (10592, 19070), (13240, 15256)]