25511940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 77820288

約数和(自身を除く): 52308348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 523, 542, 813, 1046, 1084, 1355, 1569, 1626, 2092, 2439, 2615, 2710, 3138, 3252, 4065, 4707, 4878, 5230, 5420, 6276, 7845, 8130, 9414, 9756, 10460, 12195, 15690, 16260, 18828, 23535, 24390, 31380, 47070, 48780, 94140, 141733, 283466, 425199, 566932, 708665, 850398, 1275597, 1417330, 1700796, 2125995, 2551194, 2834660, 4251990, 5102388, 6377985, 8503980, 12755970, 25511940]

約数ペア:

[(1, 25511940), (2, 12755970), (3, 8503980), (4, 6377985), (5, 5102388), (6, 4251990), (9, 2834660), (10, 2551194), (12, 2125995), (15, 1700796), (18, 1417330), (20, 1275597), (30, 850398), (36, 708665), (45, 566932), (60, 425199), (90, 283466), (180, 141733), (271, 94140), (523, 48780), (542, 47070), (813, 31380), (1046, 24390), (1084, 23535), (1355, 18828), (1569, 16260), (1626, 15690), (2092, 12195), (2439, 10460), (2615, 9756), (2710, 9414), (3138, 8130), (3252, 7845), (4065, 6276), (4707, 5420), (4878, 5230)]