65710480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:952

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 103028720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 839, 880, 890, 979, 1424, 1678, 1780, 1958, 3356, 3560, 3916, 4195, 4895, 6712, 7120, 7832, 8390, 9229, 9790, 13424, 15664, 16780, 18458, 19580, 33560, 36916, 39160, 46145, 67120, 73832, 74671, 78320, 92290, 147664, 149342, 184580, 298684, 369160, 373355, 597368, 738320, 746710, 821381, 1194736, 1493420, 1642762, 2986840, 3285524, 4106905, 5973680, 6571048, 8213810, 13142096, 16427620, 32855240, 65710480]

約数ペア:

[(1, 65710480), (2, 32855240), (4, 16427620), (5, 13142096), (8, 8213810), (10, 6571048), (11, 5973680), (16, 4106905), (20, 3285524), (22, 2986840), (40, 1642762), (44, 1493420), (55, 1194736), (80, 821381), (88, 746710), (89, 738320), (110, 597368), (176, 373355), (178, 369160), (220, 298684), (356, 184580), (440, 149342), (445, 147664), (712, 92290), (839, 78320), (880, 74671), (890, 73832), (979, 67120), (1424, 46145), (1678, 39160), (1780, 36916), (1958, 33560), (3356, 19580), (3560, 18458), (3916, 16780), (4195, 15664), (4895, 13424), (6712, 9790), (7120, 9229), (7832, 8390)]