4201600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 11288340

約数和(自身を除く): 7086740

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 101, 104, 128, 130, 160, 200, 202, 208, 260, 320, 325, 400, 404, 416, 505, 520, 640, 650, 800, 808, 832, 1010, 1040, 1300, 1313, 1600, 1616, 1664, 2020, 2080, 2525, 2600, 2626, 3200, 3232, 4040, 4160, 5050, 5200, 5252, 6464, 6565, 8080, 8320, 10100, 10400, 10504, 12928, 13130, 16160, 20200, 20800, 21008, 26260, 32320, 32825, 40400, 41600, 42016, 52520, 64640, 65650, 80800, 84032, 105040, 131300, 161600, 168064, 210080, 262600, 323200, 420160, 525200, 840320, 1050400, 2100800, 4201600]

約数ペア:

[(1, 4201600), (2, 2100800), (4, 1050400), (5, 840320), (8, 525200), (10, 420160), (13, 323200), (16, 262600), (20, 210080), (25, 168064), (26, 161600), (32, 131300), (40, 105040), (50, 84032), (52, 80800), (64, 65650), (65, 64640), (80, 52520), (100, 42016), (101, 41600), (104, 40400), (128, 32825), (130, 32320), (160, 26260), (200, 21008), (202, 20800), (208, 20200), (260, 16160), (320, 13130), (325, 12928), (400, 10504), (404, 10400), (416, 10100), (505, 8320), (520, 8080), (640, 6565), (650, 6464), (800, 5252), (808, 5200), (832, 5050), (1010, 4160), (1040, 4040), (1300, 3232), (1313, 3200), (1600, 2626), (1616, 2600), (1664, 2525), (2020, 2080)]