13253120

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 32997888

約数和(自身を除く): 19744768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 167, 248, 256, 310, 320, 334, 496, 512, 620, 640, 668, 835, 992, 1240, 1280, 1336, 1670, 1984, 2480, 2560, 2672, 3340, 3968, 4960, 5177, 5344, 6680, 7936, 9920, 10354, 10688, 13360, 15872, 19840, 20708, 21376, 25885, 26720, 39680, 41416, 42752, 51770, 53440, 79360, 82832, 85504, 103540, 106880, 165664, 207080, 213760, 331328, 414160, 427520, 662656, 828320, 1325312, 1656640, 2650624, 3313280, 6626560, 13253120]

約数ペア:

[(1, 13253120), (2, 6626560), (4, 3313280), (5, 2650624), (8, 1656640), (10, 1325312), (16, 828320), (20, 662656), (31, 427520), (32, 414160), (40, 331328), (62, 213760), (64, 207080), (80, 165664), (124, 106880), (128, 103540), (155, 85504), (160, 82832), (167, 79360), (248, 53440), (256, 51770), (310, 42752), (320, 41416), (334, 39680), (496, 26720), (512, 25885), (620, 21376), (640, 20708), (668, 19840), (835, 15872), (992, 13360), (1240, 10688), (1280, 10354), (1336, 9920), (1670, 7936), (1984, 6680), (2480, 5344), (2560, 5177), (2672, 4960), (3340, 3968)]