40076800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 120

約数和(自身を含む): 103511232

約数和(自身を除く): 63434432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 101, 124, 128, 155, 160, 200, 202, 248, 256, 310, 320, 400, 404, 496, 505, 512, 620, 640, 775, 800, 808, 992, 1010, 1240, 1280, 1550, 1600, 1616, 1984, 2020, 2480, 2525, 2560, 3100, 3131, 3200, 3232, 3968, 4040, 4960, 5050, 6200, 6262, 6400, 6464, 7936, 8080, 9920, 10100, 12400, 12524, 12800, 12928, 15655, 15872, 16160, 19840, 20200, 24800, 25048, 25856, 31310, 32320, 39680, 40400, 49600, 50096, 51712, 62620, 64640, 78275, 79360, 80800, 99200, 100192, 125240, 129280, 156550, 161600, 198400, 200384, 250480, 258560, 313100, 323200, 396800, 400768, 500960, 626200, 646400, 801536, 1001920, 1252400, 1292800, 1603072, 2003840, 2504800, 4007680, 5009600, 8015360, 10019200, 20038400, 40076800]

約数ペア:

[(1, 40076800), (2, 20038400), (4, 10019200), (5, 8015360), (8, 5009600), (10, 4007680), (16, 2504800), (20, 2003840), (25, 1603072), (31, 1292800), (32, 1252400), (40, 1001920), (50, 801536), (62, 646400), (64, 626200), (80, 500960), (100, 400768), (101, 396800), (124, 323200), (128, 313100), (155, 258560), (160, 250480), (200, 200384), (202, 198400), (248, 161600), (256, 156550), (310, 129280), (320, 125240), (400, 100192), (404, 99200), (496, 80800), (505, 79360), (512, 78275), (620, 64640), (640, 62620), (775, 51712), (800, 50096), (808, 49600), (992, 40400), (1010, 39680), (1240, 32320), (1280, 31310), (1550, 25856), (1600, 25048), (1616, 24800), (1984, 20200), (2020, 19840), (2480, 16160), (2525, 15872), (2560, 15655), (3100, 12928), (3131, 12800), (3200, 12524), (3232, 12400), (3968, 10100), (4040, 9920), (4960, 8080), (5050, 7936), (6200, 6464), (6262, 6400)]