438580480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26357}}^1$

素因数の和:26391

約数の個数: 72

約数和(自身を含む): 1131390792

約数和(自身を除く): 692810312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 26357, 52714, 105428, 131785, 210856, 263570, 342641, 421712, 527140, 685282, 843424, 1054280, 1370564, 1686848, 1713205, 2108560, 2741128, 3373696, 3426410, 4217120, 5482256, 6747392, 6852820, 8434240, 10964512, 13705640, 16868480, 21929024, 27411280, 33736960, 43858048, 54822560, 87716096, 109645120, 219290240, 438580480]

約数ペア:

[(1, 438580480), (2, 219290240), (4, 109645120), (5, 87716096), (8, 54822560), (10, 43858048), (13, 33736960), (16, 27411280), (20, 21929024), (26, 16868480), (32, 13705640), (40, 10964512), (52, 8434240), (64, 6852820), (65, 6747392), (80, 5482256), (104, 4217120), (128, 3426410), (130, 3373696), (160, 2741128), (208, 2108560), (256, 1713205), (260, 1686848), (320, 1370564), (416, 1054280), (520, 843424), (640, 685282), (832, 527140), (1040, 421712), (1280, 342641), (1664, 263570), (2080, 210856), (3328, 131785), (4160, 105428), (8320, 52714), (16640, 26357)]