263423120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106219}}^1$

素因数の和:106263

約数の個数: 40

約数和(自身を含む): 632221440

約数和(自身を除く): 368798320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 106219, 212438, 424876, 531095, 849752, 1062190, 1699504, 2124380, 3292789, 4248760, 6585578, 8497520, 13171156, 16463945, 26342312, 32927890, 52684624, 65855780, 131711560, 263423120]

約数ペア:

[(1, 263423120), (2, 131711560), (4, 65855780), (5, 52684624), (8, 32927890), (10, 26342312), (16, 16463945), (20, 13171156), (31, 8497520), (40, 6585578), (62, 4248760), (80, 3292789), (124, 2124380), (155, 1699504), (248, 1062190), (310, 849752), (496, 531095), (620, 424876), (1240, 212438), (2480, 106219)]