425335040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25561}}^1$

素因数の和:25595

約数の個数: 72

約数和(自身を含む): 1097223288

約数和(自身を除く): 671888248

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, 25561, 51122, 102244, 127805, 204488, 255610, 332293, 408976, 511220, 664586, 817952, 1022440, 1329172, 1635904, 1661465, 2044880, 2658344, 3271808, 3322930, 4089760, 5316688, 6543616, 6645860, 8179520, 10633376, 13291720, 16359040, 21266752, 26583440, 32718080, 42533504, 53166880, 85067008, 106333760, 212667520, 425335040]

約数ペア:

[(1, 425335040), (2, 212667520), (4, 106333760), (5, 85067008), (8, 53166880), (10, 42533504), (13, 32718080), (16, 26583440), (20, 21266752), (26, 16359040), (32, 13291720), (40, 10633376), (52, 8179520), (64, 6645860), (65, 6543616), (80, 5316688), (104, 4089760), (128, 3322930), (130, 3271808), (160, 2658344), (208, 2044880), (256, 1661465), (260, 1635904), (320, 1329172), (416, 1022440), (520, 817952), (640, 664586), (832, 511220), (1040, 408976), (1280, 332293), (1664, 255610), (2080, 204488), (3328, 127805), (4160, 102244), (8320, 51122), (16640, 25561)]