20260762880

素因数分解:

$2^8\times 5^1\times {\mathrm{773}}^1\times {\mathrm{20477}}^1$

素因数の和:21271

約数の個数: 72

約数和(自身を含む): 48596014152

約数和(自身を除く): 28335251272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 773, 1280, 1546, 3092, 3865, 6184, 7730, 12368, 15460, 20477, 24736, 30920, 40954, 49472, 61840, 81908, 98944, 102385, 123680, 163816, 197888, 204770, 247360, 327632, 409540, 494720, 655264, 819080, 989440, 1310528, 1638160, 2621056, 3276320, 5242112, 6552640, 13105280, 15828721, 26210560, 31657442, 63314884, 79143605, 126629768, 158287210, 253259536, 316574420, 506519072, 633148840, 1013038144, 1266297680, 2026076288, 2532595360, 4052152576, 5065190720, 10130381440, 20260762880]

約数ペア:

[(1, 20260762880), (2, 10130381440), (4, 5065190720), (5, 4052152576), (8, 2532595360), (10, 2026076288), (16, 1266297680), (20, 1013038144), (32, 633148840), (40, 506519072), (64, 316574420), (80, 253259536), (128, 158287210), (160, 126629768), (256, 79143605), (320, 63314884), (640, 31657442), (773, 26210560), (1280, 15828721), (1546, 13105280), (3092, 6552640), (3865, 5242112), (6184, 3276320), (7730, 2621056), (12368, 1638160), (15460, 1310528), (20477, 989440), (24736, 819080), (30920, 655264), (40954, 494720), (49472, 409540), (61840, 327632), (81908, 247360), (98944, 204770), (102385, 197888), (123680, 163816)]