3956453120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99709}}^1$

素因数の和:99761

約数の個数: 72

約数和(自身を含む): 9782747520

約数和(自身を除く): 5826294400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 99709, 199418, 398836, 498545, 797672, 997090, 1595344, 1994180, 3090979, 3190688, 3988360, 6181958, 6381376, 7976720, 12363916, 12762752, 15454895, 15953440, 24727832, 25525504, 30909790, 31906880, 49455664, 61819580, 63813760, 98911328, 123639160, 127627520, 197822656, 247278320, 395645312, 494556640, 791290624, 989113280, 1978226560, 3956453120]

約数ペア:

[(1, 3956453120), (2, 1978226560), (4, 989113280), (5, 791290624), (8, 494556640), (10, 395645312), (16, 247278320), (20, 197822656), (31, 127627520), (32, 123639160), (40, 98911328), (62, 63813760), (64, 61819580), (80, 49455664), (124, 31906880), (128, 30909790), (155, 25525504), (160, 24727832), (248, 15953440), (256, 15454895), (310, 12762752), (320, 12363916), (496, 7976720), (620, 6381376), (640, 6181958), (992, 3988360), (1240, 3190688), (1280, 3090979), (1984, 1994180), (2480, 1595344), (3968, 997090), (4960, 797672), (7936, 498545), (9920, 398836), (19840, 199418), (39680, 99709)]