25131390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 63424512

約数和(自身を除く): 38293122

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 443, 465, 610, 886, 915, 930, 1329, 1830, 1891, 2215, 2658, 3782, 4430, 5673, 6645, 9455, 11346, 13290, 13733, 18910, 27023, 27466, 28365, 41199, 54046, 56730, 68665, 81069, 82398, 135115, 137330, 162138, 205995, 270230, 405345, 411990, 810690, 837713, 1675426, 2513139, 4188565, 5026278, 8377130, 12565695, 25131390]

約数ペア:

[(1, 25131390), (2, 12565695), (3, 8377130), (5, 5026278), (6, 4188565), (10, 2513139), (15, 1675426), (30, 837713), (31, 810690), (61, 411990), (62, 405345), (93, 270230), (122, 205995), (155, 162138), (183, 137330), (186, 135115), (305, 82398), (310, 81069), (366, 68665), (443, 56730), (465, 54046), (610, 41199), (886, 28365), (915, 27466), (930, 27023), (1329, 18910), (1830, 13733), (1891, 13290), (2215, 11346), (2658, 9455), (3782, 6645), (4430, 5673)]